Table 3.

Other outcomes.

Category		Test group (N=20)	Control group (N=22)	P value
Performance rate, mean (SD)
	Incentive spirometer, count	139.5 (61.2)	119.0 (84.5)	.27
	Active coughing	79.0 (52.78)	44.1 (43.62)	.04
	Deep breathing	107.8 (66.8)	94.8 (88.33)	.49
Laboratory results, mean (SD)
	WBCa, k/mL	6.2 (2.8)	5.9 (1.8)	.93
	CRPb, mg/dL	8.1 (4.0)	8.2 (2.9)	.07
Length of stay, mean (SD)		10.8 (1.6)	10.40 (1.00)	.57
Chest PAc, n (%)
	Atelectasis	2 (10)	3 (15)	.64
Feverd, n (%)		6 (30)	10 (45)	.79

^aWBC: white blood cell.

^bCRP: C-reactive protein.

^cPA: posterior to anterior.

^dFever was defined as 37.5ºC (99.5ºF), and it means the number of people who have been checked for fever at least once.