Table III.

Comparison of postoperative recovery condition of patients between the thoracotomy and thoracoscopy groups.

Postoperative condition	Thoracotomy group (n=120)	Thoracoscopy group (n=98)	χ2/t	P-value
Thoracic drainage time (days)	6.27±2.13	4.38±1.92	−5.670	<0.001
Thoracic drainage volume (ml)	1453.57±611.25	1024.78±556.95	−5.743	<0.001
Postoperative hospital stay (days)	13.84±2.31	10.12±2.56	−5.694	<0.001
Incidence rate of moderate to severe pains in incisions at 6 h after operation, n (%)	72 (60.00)	20 (20.41)	34.667	<0.001
Use rate of analgesics, n (%)	68 (56.67)	18 (18.37)	33.126	<0.001
Average time of the disappearance of pain in incisions (h)	72.58±20.98	28.67±14.37	−53.642	<0.001