Table 3.

Sleep quality (PSQI) in recovered patients with previous admission to respiratory care unit.

Group	N	PSQI*	p-value	t-value	df	Method
No RCU admission	243	8.687±3.764	0.767	-1.515	254	t-test
RCU admission	13	10.308±3.637	8.921		254

Notes:

^*p-value is significant with 95%CI;

^**mean ± standard deviation.