Comparative analysis of the safety and efficacy of 1470-nm diode laser enucleation of the prostate and plasmakinetic resection of prostate in the treatment of large volume benign prostatic hyperplasia (>80 ml)

Figures & data

Table 1. Comparison of general clinical data between two groups of patients.

Parameter	DiLEP (N = 118)	PKRP (N = 93)	p value
Age (years)	68.23 ± 5.17	68.45 ± 5.21	0.472
Prostate volume (ml)	101.32 ± 12.07	99.51 ± 13.36	0.141
Prostate transitional zone volume (ml)	62.53 ± 7.24	59.01 ± 9.31	0.211
PSA	1.97 ± 0.61	1.87 ± 0.68	0.552
IPSS	25.34 ± 2.65	24.46 ± 2.82	0.374
QOL	5.15 ± 0.63	5.20 ± 0.45	0.631
ILEF-5	16.52 ± 3.63	17.01 ± 4.21	0.109
PVRU	102.64 ± 35.83	105.23 ± 32.45	0.335
Qmax (ml/s)	8.14 ± 3.97	8.23 ± 3.25	0.205
Hemoglobin (g/l)	125.47 ± 11.55	122.35 ± 13.74	0.405

IPSS: International Prostate Symptom Score; QOL: Quality of Life Scale; ILEF-5: International Erectile Function Index; PVRU: postvoid residual urine volume; Qmax: maximum urine flow rate.

Table 2. Comparison of surgical conditions between two groups of patients.

Parameter	DiLEP (N = 118)	PKRP (N = 93)	p value
Operative time (min)	55.62 ± 11.72	77.38 ± 18.38	<0.001
Intraoperative bleeding volume (ml)	51.15 ± 15.25	95.35 ± 19.28	<0.001
Bladder flushing time (d)	1.12 ± 0.45	2.64 ± 0.79	0.003
Indwelling catheter time (d)	2.12 ± 0.61	4.07 ± 1.09	0.005
Mass of prostate resection (g)	52.58 ± 7.75	38.56 ± 6.57	0.009
Hospitalization time (d)	5.25 ± 0.51	7.64 ± 0.56	0.018

Table 3. Comparison of preoperative and postoperative related indicators between two groups of patients.

Parameter	DiLEP (N = 118)		PKRP (N = 93)
	Preoperative	Postoperative	Preoperative	Postoperative
IPSS	25.34 ± 2.65	6.87 ± 1.59*	24.46 ± 2.82	7.1 ± 2.4*
QOL	5.15 ± 0.63	1.82 ± 0.42*	5.20 ± 0.45	1.67 ± 0.61*
PVRU	102.64 ± 35.83	22.35 ± 10.28*	105.23 ± 32.45	24.01 ± 8.25*
ILEF-5	16.52 ± 5.63	14.03 ± 4.71*	17.01 ± 4.21	14.21 ± 4.83*
Qmax (ml/s)	8.14 ± 3.97	18.24 ± 4.83*	8.23 ± 3.25	14.04 ± 4.01*^,#

IPSS: International Prostate Symptom Score; QOL: Quality of Life Scale; ILEF-5: International Erectile Function Index; PVR: postvoid residual urine volume; Qmax: maximum urine flow rate.

*Compared with preoperative, p < 0.05.

^#Compared with PKRP group, p < 0.05.

Table 4. Comparative analysis of postoperative complications between two groups of patients.

Parameter	DiLEP (N = 118)	PKRP(N = 93)	p value
Death	0	0	–
Rectal injury	0	0	–
Bladder injury	0	0	–
Intraoperative blood transfusion	2 (1.69%)	7 (7.53%)	0.037
Secondary bleeding after surgery	2 (1.69%)	3 (3.22%)	0.467
Urethral stricture	2 (2.0%)	2 (2.4%)	0.810
Urinary incontinence (4 weeks after operation)	9 (7.63%)	1 (2.4%)	0.026
Urinary incontinence (6 months after operation)	0	0	–
Bladder neck contracture	3 (2.54%)	4 (4.30)	0.479
Retrograde ejaculation	27 (22.88%)	20 (20.43)	0.812
Erectile dysfunction	17 (14.1%)	11 (11.82%)	0.584

Data availability statement

The datasets are available from the corresponding author.