Liver: what evidence wins at the Board

For liver appeals, how often the Board granted the issue when the record held each kind of evidence, and how often when it did not. Measured from the decisions themselves; every number carries its fraction.

What this is computed from: evidence types detected in the full text of 1,929,585 public Board of Veterans' Appeals decisions (va.gov/vetapp), joined to the issue-level outcome. The tables use only single-issue decisions with a clean parse in complete crawl years (1992–2025) — 971,127 decisions — so each evidence flag attaches to exactly one decided issue. A split is shown only when both sides have at least 30 decisions. Every count opens its decisions in the Board decision finder, with links to the full text on va.gov. Data build: 2026-10-16.

Service connection for Liver (n = 5,332)

When the record had…Granted, with itGranted, without itDifferenceRemanded, with it
A medical source gave a positive nexus opinionEvidence in the record44% (213/487)22% (588/2,657)+22 pts16% (94/587)
Private physician opinion, letter or DBQEvidence in the record35% (215/612)23% (586/2,532)+12 pts22% (177/797)
Disability Benefits Questionnaire in the recordEvidence in the record33% (19/57)25% (782/3,087)+8 pts30% (25/83)
Third-party lay statements (spouse, buddy, employer)Evidence in the record19% (28/144)26% (773/3,000)-6 pts19% (34/179)
Service treatment records document the condition or injuryEvidence in the record25% (373/1,480)26% (428/1,664)-1 pts25% (501/2,010)
Service treatment records silent for the conditionEvidence in the record17% (275/1,615)34% (526/1,529)-17 pts12% (219/1,851)
Continuity of symptoms argued (38 CFR 3.303(b))Theory argued17% (195/1,140)30% (606/2,004)-13 pts5% (65/1,210)
Board hearing held or testimony takenProcedure28% (460/1,618)22% (341/1,526)+6 pts37% (992/2,670)
Social Security records in the fileEvidence in the record14% (26/186)26% (775/2,958)-12 pts43% (143/333)
Medical literature or treatise citedEvidence in the record23% (144/639)26% (657/2,505)-4 pts23% (195/837)
Functional loss / DeLuca factors argued (rating cases)Theory argued24% (14/59)26% (787/3,085)-2 pts14% (10/73)
Presumptive service connection discussedTheory argued15% (145/999)31% (656/2,145)-16 pts11% (130/1,141)
Secondary service connection (38 CFR 3.310) in playTheory argued25% (220/868)26% (581/2,276)-0 pts24% (280/1,171)
Combat service / 1154(b) in playTheory argued27% (177/649)25% (624/2,495)+2 pts19% (155/812)
A medical source gave a negative nexus opinionEvidence in the record24% (297/1,231)26% (504/1,913)-2 pts26% (443/1,685)
No nexus opinion of recordEvidence in the record7% (20/278)27% (781/2,866)-20 pts10% (30/311)
VA examination or VA medical opinion obtainedEvidence in the record25% (657/2,667)30% (144/477)-6 pts35% (1,489/4,202)
Board found a VA exam or opinion inadequateHow the Board read the record28% (152/543)25% (649/2,601)+3 pts47% (482/1,033)
Board found the VA exam or opinion adequateHow the Board read the record7% (17/239)27% (784/2,905)-20 pts1% (2/241)
Board found the veteran's statements credibleHow the Board read the record55% (103/188)24% (698/2,956)+31 pts14% (31/220)
Board found the veteran's statements not credible or inconsistentHow the Board read the record6% (10/158)26% (791/2,986)-20 pts5% (8/166)
Benefit of the doubt resolved in the veteran's favorHow the Board read the record82% (407/499)15% (394/2,645)+67 pts2% (8/508)
Preponderance of the evidence against / doctrine not applicableHow the Board read the record1% (20/1,624)51% (781/1,520)-50 pts0% (3/1,628)
Board ordered a new exam or addendum opinionProcedure30% (127/423)25% (674/2,721)+5 pts76% (1,383/1,827)
AMA favorable finding acknowledgedProcedure37% (14/38)25% (787/3,106)+12 pts47% (34/72)

"Granted" = share of issues decided on the merits (granted + denied); remands and dismissals are excluded from that fraction and shown separately. Fractions are the raw counts.

Increased rating for Liver (n = 789)

When the record had…Granted, with itGranted, without itDifferenceRemanded, with it
Private physician opinion, letter or DBQEvidence in the record8% (4/48)10% (36/374)-1 pts19% (11/59)
Service treatment records document the condition or injuryEvidence in the record5% (4/73)10% (36/349)-5 pts8% (6/79)
Board hearing held or testimony takenProcedure12% (24/195)7% (16/227)+5 pts47% (182/384)
Secondary service connection (38 CFR 3.310) in playTheory argued14% (18/126)7% (22/296)+7 pts25% (43/170)
A medical source gave a negative nexus opinionEvidence in the record8% (4/49)10% (36/373)-1 pts20% (12/61)
Board found a VA exam or opinion inadequateHow the Board read the record12% (5/43)9% (35/379)+2 pts59% (61/104)
Board found the VA exam or opinion adequateHow the Board read the record9% (3/35)10% (37/387)-1 pts3% (1/36)
Benefit of the doubt resolved in the veteran's favorHow the Board read the record32% (10/31)8% (30/391)+25 pts0% (0/31)
Preponderance of the evidence against / doctrine not applicableHow the Board read the record5% (14/280)18% (26/142)-13 pts0% (0/280)
Board ordered a new exam or addendum opinionProcedure8% (4/50)10% (36/372)-2 pts82% (238/289)

"Granted" = share of issues decided on the merits (granted + denied); remands and dismissals are excluded from that fraction and shown separately. Fractions are the raw counts.

All Liver issues, every benefit type (n = 6,883)

When the record had…Granted, with itGranted, without itDifferenceRemanded, with it
A medical source gave a positive nexus opinionEvidence in the record43% (217/510)22% (772/3,495)+20 pts16% (101/617)
Private physician opinion, letter or DBQEvidence in the record33% (237/708)23% (752/3,297)+11 pts22% (205/921)
Disability Benefits Questionnaire in the recordEvidence in the record30% (22/74)25% (967/3,931)+5 pts40% (51/126)
Third-party lay statements (spouse, buddy, employer)Evidence in the record19% (32/166)25% (957/3,839)-6 pts17% (35/202)
Service treatment records document the condition or injuryEvidence in the record25% (404/1,627)25% (585/2,378)+0 pts24% (524/2,181)
Service treatment records silent for the conditionEvidence in the record17% (282/1,654)30% (707/2,351)-13 pts12% (222/1,893)
Continuity of symptoms argued (38 CFR 3.303(b))Theory argued17% (198/1,156)28% (791/2,849)-11 pts5% (66/1,227)
Board hearing held or testimony takenProcedure28% (561/2,018)22% (428/1,987)+6 pts38% (1,304/3,404)
Social Security records in the fileEvidence in the record16% (37/227)25% (952/3,778)-9 pts43% (174/405)
Vocational expert or assessmentEvidence in the record18% (6/34)25% (983/3,971)-7 pts24% (11/45)
Medical literature or treatise citedEvidence in the record23% (158/687)25% (831/3,318)-2 pts23% (206/896)
Functional loss / DeLuca factors argued (rating cases)Theory argued23% (26/112)25% (963/3,893)-2 pts19% (27/143)
Presumptive service connection discussedTheory argued15% (149/1,013)28% (840/2,992)-13 pts12% (134/1,160)
Secondary service connection (38 CFR 3.310) in playTheory argued25% (282/1,118)24% (707/2,887)+1 pts24% (363/1,509)
Combat service / 1154(b) in playTheory argued27% (180/679)24% (809/3,326)+2 pts19% (161/848)
A medical source gave a negative nexus opinionEvidence in the record24% (318/1,338)25% (671/2,667)-1 pts26% (481/1,830)
No nexus opinion of recordEvidence in the record8% (22/289)26% (967/3,716)-18 pts10% (33/325)
VA examination or VA medical opinion obtainedEvidence in the record24% (823/3,422)28% (166/583)-4 pts36% (1,950/5,421)
Board found a VA exam or opinion inadequateHow the Board read the record28% (176/638)24% (813/3,367)+3 pts48% (589/1,236)
Board found the VA exam or opinion adequateHow the Board read the record9% (27/302)26% (962/3,703)-17 pts1% (4/306)
Board found the veteran's statements credibleHow the Board read the record55% (114/209)23% (875/3,796)+31 pts13% (32/242)
Board found the veteran's statements not credible or inconsistentHow the Board read the record7% (11/168)25% (978/3,837)-19 pts6% (10/178)
Benefit of the doubt resolved in the veteran's favorHow the Board read the record79% (459/580)15% (530/3,425)+64 pts2% (9/590)
Preponderance of the evidence against / doctrine not applicableHow the Board read the record2% (49/2,082)49% (940/1,923)-47 pts0% (3/2,086)
Board ordered a new exam or addendum opinionProcedure28% (143/515)24% (846/3,490)+4 pts77% (1,791/2,329)
AMA favorable finding acknowledgedProcedure37% (14/38)25% (975/3,967)+12 pts47% (34/72)

"Granted" = share of issues decided on the merits (granted + denied); remands and dismissals are excluded from that fraction and shown separately. Fractions are the raw counts.

Reading these tables honestly

Association, not cause. A positive nexus opinion appears in the records of granted appeals far more often than in denied ones. That does not mean any letter wins; it means the Board grants when the evidence supports the claim, and a nexus opinion is how that support usually reaches the file.

Appeals are not claims. Every decision here is an appealed denial. Grant rates at the Board say nothing about the share of initial claims VA grants.

Findings are outcomes in disguise. Rows under "how the Board read the record" — credibility, benefit of the doubt, an inadequate exam — describe how the judge decided, not evidence to gather. They are shown because they say which arguments the Board actually reaches for.

Detection is by text pattern. Each evidence type is found by reading the decision for finding-shaped language with negation handling; precision was read on samples before publication and is stated per feature in the method notes below. Expect a few percent of misclassified rows, not zero.

Which of these is missing from your file?

VetAid's free analyzer reads your decision letter and records, then ranks the evidence gaps by exactly these numbers — for your conditions, not the average.

Analyze my claim free →

See also: all conditions · outcome rates.

VetAid is a free veterans claims tool, not a VA-accredited representative — it does not file anything with VA for you, and it works alongside your accredited VSO, claims agent or attorney. About VetAid