The safety and efficacy of aspirin intake in photoselective vaporization laser treatment of benign prostate hyperplasia

Figures & data

Table 1 Characteristics of the patients and comparison between non-aspirin group and aspirin group

	Non–aspirin group (mean/range)	Aspirin group (mean/range)	P-value
Age (year-old)
Mean age (range): 72.0 (52–93)	71.7 (52–93)	73.0 (56–86)	0.561
Total prostate volume
53.0 (25.3–122.1) (cm^3)	51.0 (28.7–90.0)	58.8 (25.3–122.07)	0.160
Serum PSA level
7.15 (0.30–38.6) (ng/mL)	7.62 (0.42–38.6)	5.79 (0.302–13.32)	0.242
Hemoglobin
13.7 (8.8–17.3) (mg/dL)	13.9 (9.3–17.3)	13.4 (8.8–16.8)	0.327
PT seconds
11.3 (9.9–17.7)	11.2 (9.9–17.7)	11.6 (10.0–13.0)	0.115
APTT seconds
27.3 (20.9–37.2)	27.3 (20.9–37.2)	27.3 (22.9–33.0)	0.979
Platelet count
205056 (114,000–400,000)	202,742 (114,000–400,000)	211,695 (134,000–332,000)	0.493
IPSS score
24.9 (15–35)	24.9 (15–35)	25.0 (19–33)	0.883
Lasing time
54.7 (10.0–135) (minutes)
Energy consumption
275,702 (37,278–597,227) (Joule)	289,793 (37,278–597,227)	235,268 (71,864–557,902)	0.097
Energy consumption per prostate volume (Joule/cm^3)
5412 (1165–15,121)	5801 (1165–15,121)	4297 (1311–10,811)	0.017
Aspirin prescription
Yes 23
No 66

Abbreviations: PSA, prostate-specific antigen; PT, prothrombin time; APTT, activated partial thromboplastin time; IPSS, International Prostate Symptom Score.

Table 2 Results of uroflow data

(mL/second)	Non-aspirin group (mean)	Aspirin group (mean/range)	P-value
Preoperative peak flow rate	8.71	7.88	0.681
Postoperative peak flow rate	13.64	13.54	0.967
Preoperative average flow rate	3.76	3.62	0.869
Postoperative average flow rate	6.42	6.57	0.896