Secondary service connection
Sleep apnea secondary to a back condition: BVA grant rates and what wins
From 2017 to 2026, the Board of Veterans' Appeals decided sleep apnea claimed as secondary to a back condition in 1,481 decisions. It granted the issue in 39.2% of them, above the 26.4% grant rate for all sleep apnea issues, denied it in 10.8%, and remanded it in 49.1%. Counting only decisions on the merits, 78.4% were granted.
Decisions
1,481
2017–2026
Granted
39.2%
All sleep apnea: 26.4%
Granted on the merits
78.4%
Granted ÷ (granted + denied)
Remanded
49.1%
Denied: 10.8%
See all sleep apnea decisions, direct and secondary.
Sleep apnea secondary to a back condition: outcomes by year
| Year | Decisions | Granted | Denied | Remanded |
|---|---|---|---|---|
| 2017 | 36 | 22.2% | 36.1% | 38.9% |
| 2018 | 62 | 25.8% | 16.1% | 54.8% |
| 2019 | 102 | 28.4% | 13.7% | 56.9% |
| 2020 | 102 | 38.2% | 12.7% | 48.0% |
| 2021 | 130 | 23.8% | 12.3% | 63.1% |
| 2022 | 125 | 22.4% | 6.4% | 71.2% |
| 2023 | 151 | 35.8% | 12.6% | 51.7% |
| 2024 | 296 | 47.0% | 9.1% | 43.6% |
| 2025 | 382 | 51.6% | 7.9% | 39.3% |
| 2026 | 95 | 42.1% | 10.5% | 46.3% |
Evidence in granted and denied sleep apnea decisions
For each kind of supporting evidence: how often the Board granted the sleep apnea issue on the merits when the decision mentioned it, compared with decisions that did not. These are associations, not causes, and evidence is recorded per decision, not per issue.
| In the record | Decisions | Granted when present | When absent | Difference |
|---|---|---|---|---|
| Positive nexus opinion | 611 | 95.7% | 38.9% | +56.8 pts |
| Private medical opinion | 809 | 87.4% | 48.2% | +39.2 pts |
| Favorable VA exam | 135 | 90.5% | 76.6% | +13.9 pts |
| Treating physician opinion | 63 | 86.1% | 78.0% | +8.1 pts |
| Buddy statement | 60 | 74.1% | 78.6% | −4.5 pts |
| Lay statement | 1,050 | 73.1% | 92.2% | −19.1 pts |
- The Board applied the benefit-of-the-doubt rule (38 CFR 3.102) in 74.2% of the decisions that granted sleep apnea.
- The Board found the veteran's statements credible in 17.6% of grants and 6.9% of denials.
Negative evidence in the record
An unfavorable exam or a negative nexus opinion often sits in the same record as favorable evidence, and the Board weighs them against each other. So these rows show how often sleep apnea was still granted when the record contained the negative item, not that the item helped.
| In the record | Decisions | Granted when present | When absent | Difference |
|---|---|---|---|---|
| Negative nexus opinion | 1,077 | 76.8% | 83.9% | −7.1 pts |
| Unfavorable VA exam | 1,225 | 76.1% | 91.7% | −15.6 pts |
Why the Board granted or denied sleep apnea
Most common reasons in grants
- Caused by the service-connected disability153
- Service connection established78
- Current diagnosis established74
- Aggravated by the service-connected disability32
- VA examiner: less likely than not related to service23
- Obesity as intermediate step11
- Service records negative or silent5
- Obesity found to be substantial factor in causing OSA3
Most common reasons in denials
- VA examiner: less likely than not related to service33
- No in-service complaints, treatment or diagnosis28
- Preponderance of the evidence against the claim15
- Aggravated by the service-connected disability15
- Service records negative or silent14
- Caused by the service-connected disability7
- No current diagnosis7
- Service connection established6
Numbers are decisions that gave the reason. Reasons are short phrases extracted by AI from each decision; common wordings of the same reason are grouped. Benefit of the doubt is reported above.
Recent sleep apnea decisions
Granted
Private physician opinion found veteran's lumbar spine disability contributed significantly to obstructive sleep apnea.; Obesity as an intermediate step between service-connected lumbosacral strain and obstructive sleep apnea is recognized.; VA examiner's opinion finding no causal link was afforded little probative weight.
Favorable VA opinion from December 2024 found OSA likely aggravated by lumbar spine disability.; Reasoning: Pain from lumbar spine may lead to poor sleep quality, worsening OSA.; This opinion was found more probative than an August 2022 VA opinion that did not address low back pain's effect on sleep quality.
Private medical opinion found sleep apnea at least as likely as not due to weight gain from service-connected back and ankle conditions.; Weight gain and obesity were identified as risk factors for sleep apnea.; No contrary VA medical opinion was present.
Denied
No current diagnosis of sleep apnea established.; Veteran failed to attend scheduled sleep study.; Private medical opinion insufficient without objective testing.
Private medical opinion lacked specific rationale; Little probative weight given to private opinion; No confirmed OSA diagnosis at time of initial decision; Service treatment records negative for OSA complaints/treatment
No in-service onset or aggravation of OSA; Back disability, claimed as primary cause, not service-connected; No reasonable theory of direct service connection raised
Rules that apply to secondary sleep apnea claims
- 38 CFR 3.310
Secondary service connection and aggravation
Read it in VA Law Explorer - M21-1 V.ii.2.D
Secondary service connection and aggravation of non-service-connected disabilities
Read it in VA Law Explorer - 38 CFR 3.102
Reasonable doubt (benefit of the doubt)
Read it in VA Law Explorer - 38 CFR 4.97 · DC 6847
Schedule of ratings: respiratory system
Read it in VA Law Explorer - M21-1 IV.i.3.B.1.l
Reviewing a sleep disorders examination
Read it in VA Law Explorer
Research your sleep apnea case
Narrow by year, judge, evidence or secondary condition, read the decisions, and export a research memo.
How these numbers are calculated
- Counts decisions in which the Board decided a sleep apnea issue claimed as secondary to a back condition, by the outcome of that issue.
- The primary disability is read from the decision text ("secondary to …") and grouped by name, so spellings such as "PTSD" and "posttraumatic stress disorder" count together.
- Secondary claims also include aggravation of a non-service-connected condition by a service-connected one (38 CFR 3.310(b)).
- The data comes from CaseScribe's AI extraction of public BVA decisions (2017–2026) and can contain errors. It is updated automatically as new decisions are added.