Table 1.

Comparison of baseline data between the case group and the control group after lung cancer surgery.

Metric		With urinary retention (n = 67)	Without urinary retention (n = 84)	t/Z/chi-square value	P price
Sex				10.642	0.001
	Female	45 (67.2)	34 (40.5)
	Male	22 (32.8)	50 (59.5)
Educational level				1.216	0.544
	Junior middle school	6 (8.9)	11 (13.1)
	Senior middle school	46 (68.7)	59 (70.2)
	University	15 (22.4)	14 (16.7)
Payment method of medical expenses				0.849	0.357
	Beijing medical insurance	23 (34.3)	23 (27.4)
	Foreign medical insurance	44 (65.7)	61 (72.6)
Perception of shame				20.68	<0.001
	Deny	59 (88.1)	45 (53.6)
	Yes	8 (11.9)	39 (46.4)
Renal cyst				13.284	<0.001
	Do not have	67 (100.0)	69 (82.1)
	Have	0 (0.0)	15 (17.9)
Hypertension				3.366	0.067
	Do not have	55 (82.1)	58 (69.0)
	Have	12 (17.9)	26 (31.0)
Hepatic cyst				10.398	0.001
	Do not have	67 (100.0)	72 (85.7)
	Have	0 (0.0)	12 (14.3)
Diabetes mellitus				1.858	0.173
	Do not have	59 (88.1)	67 (79.8)
	Have	8 (11.9)	17 (20.2)
Preoperative urination				4.121	0.042
	Deny	0 (0.0)	7 (8.3)
	Yes	67 (100.0)	77 (91.7)
Use of analgesics				4.545	0.103
	Kay	40 (59.7)	62 (73.8)
	Special resistance	23 (34.3)	16 (19.0)
	Do not have	4 (6.0)	6 (7.2)
History of smoking				0.325	0.569
	Do not have	39 (58.2)	45 (53.6)
	Have	28 (41.8)	39 (46.4)
Marital status				3.729	0.155
	Bereft of one's spouse	2 (3.0)	6 (7.1)
	Unmarried	2 (3.0)	0 (0.0)
	Married	63 (94.0)	78 (92.9)
Age				3.851	<0.001
		51.79 ± 12.771	59.1 ± 9.881
Body mass index (BMI)				1.993	0.048
		22.994 ± 3.1718	24.036 ± 3.2056
Operation time				6.495	<0.001
		1.91 ± 1.1479	3.315 ± 1.4433
Intraoperative infusion				2.954	0.004
		962.69 ± 274.047	1126.19 ± 381.222
Bed rest time (h)				6.395	<0.001
		13.24 ± 3.177	17.77 ± 5.062