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. 2021 May 15;26(1):269–277. doi: 10.1007/s11325-021-02371-7

Table 3.

Device usage at 6 months in patient subgroups (per-protocol population)

Patient subgroup Home therapy group Control group p value*
Usage (h/day) Usage (h/day)
Age ≤50 years

(n = 31)

4.25 ± 2.11

(3.48, 5.03)

(n = 38)

4.08 ± 2.34

(3.32, 4.85)

0.76
Age >50 years

(n = 58)

4.45 ± 2.02

(3.92, 4.98)

(n = 55)

4.48 ± 2.25

(3.87, 5.09)

Male

(n = 75)

4.47 ± 2.07

(3.99, 4.94)

(n = 76)

4.43 ± 2.18

(3.94, 4.93)

0.91
Female

(n = 14)

3.93 ± 1.93

(2.81, 5.05)

(n = 17)

3.80 ± 2.71

(2.40, 5.19)

Moderate OSA

(n = 44)

3.91 ± 1.97

(3.31, 4.51)

(n = 44)

4.26 ± 2.04

(3.64, 4.88)

0.20
Severe OSA

(n = 45)

4.84 ± 2.03

(4.23, 5.45)

(n = 49)

4.37 ± 2.50

(3.65, 5.09)

Baseline ESS score <13

(n = 56)

4.33 ± 2.12

(3.77, 4.90)

(n = 55)

4.40 ± 2.39

(3.76, 5.05)

0.62
Baseline ESS score ≥13

(n = 31)

4.46 ± 2.00

(3.72, 5.19)

(n = 35)

4.18 ± 2.14

(3.45, 4.92)

Values are mean ± standard deviation (95% confidence interval)

*ANOVA p value for the interaction effect of the subgroup × treatment group