Table 3 Comparison of patients with obstructive sleep apnoea with good (⩾90%) and moderate to bad compliance (<90%).
| Usage ⩾90% n = 14 | Usage <90% n = 9 | All patients n = 23 | p Value | |
|---|---|---|---|---|
| Age (years) | 53.9 (12.9) | 56.3 (9.7) | 54.8 (11.1) | NS |
| BMI (kg/m2) | 32.4 (5.5) | 30.3 (3.8) | 31.6 (4.9) | NS |
| AHI | 35.4 (23.3) | 33.6 (24.3) | 34.7 (23.2) | NS |
| AHITh | 3.2 (2.5) | 4.4 (2.2) | 3.7 (2.4) | NS |
| Usage (%) | 95.8 (3.6) | 62.7 (27.8) | 82.9 (23.7) | <0.001 |
| SNAP (μV) | ||||
| Pretreatment | 5.9 (4.1) | 6.8 (2.7) | 6.3 (3.6) | NS |
| Post‐treatment | 9.9 (6.4) | 7.2 (3.0) | 8.9 (5.2) | NS |
| Difference | 4.0 (3.0) | 0.4 (1.5) | 2.6 (3.1) | <0.01 |
| Paired comparison | p<0.001 | NS | p<0.001 |
AHI, Apnoea–Hypopnoea Index; AHITh, AHI with sleep apnoea therapy; BMI, Body Mass Index; SNAP, sensory nerve action potential.
Paired comparison refers to a comparison of pretreatment and post‐treatment SNAP amplitudes within each compliance group.
Values in parentheses are SD.