Downloadable CPAP data at 1 and 6 months: median (5th/95th percentile) values for all subjects from the preceding month
| Group 1:6 months autotitration | Group 2:1 week autotitration | Group 3:Algorithm | p value between groups | |
|---|---|---|---|---|
| Median pressure (cm H2O) | ||||
| 1 month | 9.5 (6.4/12.8) | 11.1 (8.2/14.3) | 9.8 (7.7/13.0) | 0.001 |
| 6 months | 9.7 (6.4/11.7) | 11.5 (3.2/14.3) | 10.0 (7.8/12.5) | <0.0001 |
| 95th centile pressure (cm H2O) | ||||
| 1 month | 10.8 (8.7/15.8) | 11.1 (8.9/14.3) | 9.8 (7.7/13.0) | 0.001 |
| 6 months | 11.6 (9.1/14.6) | 11.5 (3.2/14.3) | 10.0 (7.8/12.5) | <0.0001 |
| Hours used per night | ||||
| 1 month | 5.3 (0/7.3) | 4.3 (0/7.12) | 4.7 (0/8.3) | 0.27 |
| 6 months | 5.49 (0/7.5) | 4.9 (0/7.2) | 4.0 (0/8.3) | 0.23 |
| Nights used (%) | ||||
| 1 month | 96.9 (31.3/100) | 98.4 (51/100) | 96.6 (47/100) | 0.68 |
| 6 months | 100 (5/100) | 98.3 (61/100) | 92.6 (33/100) | 0.21 |
| AHI | ||||
| 1 month | 5.8 (0.4/17.3) | 4.2 (1.2/12.6) | 4.4 (0.5/23.5) | 0.4 |
| 6 months | 5.2 (1.5/13.2) | 3.6 (0.5/15.9) | 3.8 (0.7/26.1) | 0.3 |
| Median leak (l/s) | ||||
| 1 month | 0.02 (0/0.5) | 0.05 (0/0.2) | 0.04 (0/0.3) | 1.0 |
| 6 months | 0.03 (0/0.3) | 0.05 (0/0.3) | 0.04 (0/0.3) | 0.9 |
| 95th centile leak (l/s) | ||||
| 1 month | 0.2 (0/1.5) | 0.3 (0/0.7) | 0.3 (0/0.8) | 0.2 |
| 6 months | 0.2 (0/1.5) | 0.3 (0/0.7) | 0.3 (0/0.8) | 0.4 |