Table 2

 Median (5th/95th centile) outcome measures of the three groups at 1 and 6 months

Group 1:6 months autotitrationGroup 2:1 week autotitrationGroup 3:Algorithmp value between groups
ESS, Epworth Sleepiness Score; MWT, maintenance of wakefulness test; PCS, physical component summary; MCS, mental component summary; EV, energy and vitality dimension; SAQLI, Sleep Apnea Quality of Life Index.
ESS
    Pre CPAP16.0 (10.6/23.0)17.0 (10.4/22.6)16.5 (10.5/22.3)0.7
    1 month7.0 (1.0/12.0)7.0 (0/15.4)6 .0 (1.0/19.8)0.9
    6 months6.0 (0.45/13.8)5.0 (0/15.5)5.0 (0.5/12.5)0.8
MWT (min)
    Pre CPAP19.4 (1.4/40.0)19.5 (2.9/40)15.7 (2.1/40)0.8
    1 month40.0 (5.1/40.0)40.0 (5.5/40.0)31.3 (3.1/40)0.1
    6 months40.0 (11.6/40.0)40.0 (14.5/40)40.0 (2.2/40)0.2
Mean BP (mm Hg)
    Pre CPAP95.8 (77.0/122.0)95.2 (77.3/118.3)96.2 (75.0/120.6)0.9
    1 month93.3 (73.0/115.0)93.3 (78.0/108.0)96.4 (84.0/115.0)0.4
    6 months99.6 (77.3/119.0)96.7 (82.7/119.0)96.4 (73.3/114.3)0.5
SF-36 PCS
    Pre CPAP62.5 (17.2/93.2)65.7 (25.2/90.0)62.6 (25.9/92.5)0.6
    1 month79.7 (35.1/95.4)81.7 (33.1/94.5)81.3 (30.5/98.7)0.8
    6 months78.8 (20.0/96.2)85.2 (26.6/95.3)83.3 (40.9/98.3)0.5
SF-36 MCS
    Pre CPAP57.2 (19.8/87.5)56.8 (26.0/89.4)56.6 (16.6/88.7)0.9
    1 month77.7 (32.5/93.6)82.3 (39.7/94.0)81.8 (24.4/97.6)0.9
    6 months79.3 (30.5/94.1)81.5 (27.8/95.0)82.7 (35.4/95.4)0.9
SF-36 EV
    Pre CPAP25.0 (6.0/74.0)30.0 (0/78.0)27.5 (3.8/72.5)0.9
    1 month65.0 (30.0/87.5)60.0 (24.0/90.0)60.0 (23.3/100.0)0.9
    6 months67.5 (19.0/82.8)67.5 (35.0/94.9)60.0 (42.0/94.0)1.0
Change in SAQLI
    1 month1.4 (−3.2/4.3)1.5 (−4.0/4.5)0.8 (−5.4/3.7)0.2
    6 months1.6 (−4.8/4.3)1.5 (−5.6/4.7)1.4 (−5.2/3.4)0.7