[Retracted] Analysis of Risk Factors and Nursing Strategies for Postoperative Hemorrhage of Benign Prostatic Hyperplasia

Table 4

Univariate analysis of bleeding after BPH.

Factors	n	Bleeding (case)	Bleeding rate (%)	χ^2	value
Age (year)				0.623	0.430
≥65	140	10	7.1
<65	100	10	10.0
BMI exceeding				0.058	0.809
Yes	90	8	8.9
No	150	12	8.0
Prostate volume (ml)				11.444	0.001
≥60	95	15	15.8
<60	145	5	3.4
Diabetes				31.979	<0.001
Yes	50	14	28.0
No	190	6	3.2
Hypertension				7.476	0.006
Yes	110	15	13.6
No	130	5	3.8
Urinary tract infection within 1 week before surgery				20.479	<0.001
Yes	112	19	17.0
No	128	1	0.8
Indwelling catheter within 1 week before surgery				3.836	0.050
Yes	84	11	13.1
No	156	9	5.8
Residual urine volume (ml)				3.347	0.067
≥100	121	14	11.6
<100	119	6	5.0
Use of epidural analgesia pump				13.986	<0.001
Yes	195	10	5.1
No	45	10	22.2