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. Author manuscript; available in PMC: 2020 Mar 18.
Published in final edited form as: Southwest J Pulm Crit Care. 2020;20(1):29–40. doi: 10.13175/swjpcc070-19

Table 2:

Mixed Model Analysis for the effect of time on QWB Average score among CPAP and SHAMgroups (N-1104)

Months* Treatment group Mean (SD) df 95% Confidence Interval
Baseline SHAM 0.65 ± 0.01 1176.8 0.64 – 0.66
CPAP 0.65 ± 0.01 1175.8 0.64 – 0.66
2 Months SHAM 0.67 ± 0.01 1019.1 0.66 – 0.68
CPAP 0.67 ± 0.01 1005.9 0.66 – 0.68
4 Months SHAM 0.67 ± 0.01 949.9 0.66 – 0.68
CPAP 0.68 ± 0.01 942.6 0.67– 0.69
6 Months SHAM 0.68 ± 0.01 934.1 0.67– 0.69
CPAP 0.68 ± 0.01 929.2 0.67– 0.69
*

QWB-SA scores improved in both groups over the 6 months of follow-up, p<0.05.