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. 2020 Jan 15;20:14. doi: 10.1186/s12890-020-1046-9

Table 3.

Comparative Pittsburgh Sleep Quality Index (PSQI) and Epworth Sleepiness Scale (ESS) pre and pos rehabilitation

Median Percentis Median Percentiles Median diff p-value*
25 75 25 75
Subjective quality of sleep 1.00 1.00 1.00 1.00 0.00 1.00 0.00 <  0.001
Sleep latency 1.00 0.00 2.00 1.00 0.00 1.00 0.00 0.002
Sleep duration 1.00 0.00 3.00 1.00 0.00 2.00 0.00 <  0.001
Habitual sleep efficiency 1.00 1.00 2.00 1.00 0.00 1.00 0.00 0.001
Sleep alterations 1.00 1.00 2.00 1.00 1.00 1.00 0.00 0.002
Use of sleep medications 0.00 0.00 1.00 0.00 0.00 1.00 0.00 0.083
Daytime sleep dysfunction 0.00 0.00 1.00 0.00 0.00 1.00 0.00 0.083
Final score (PSQI) 6.5 4.75 8.75 4.00 3.00 6.25 2.50 <  0.001
Epworth scale (ESS) 14.00 11.00 16.00 10.5 7.00 13.25 3.50 <  0.001

*Wilcoxon test: before pulmonary rehabilitation (pre); after pulmonary rehabilitation (post); median difference pre minus post rehab (Median diff)