Investigation of risk factors in the development of recurrent urethral stricture after internal urethrotomy

Table 1 Comparison of demographic data between the groups, n (%)

Variables	No recurrent, n = 252	Recurrent, n = 51	P value
DM			0.038
Absence	215 (85.3)	37 (72.5)
Presence	37 (14.7)	14 (27.5)
HT			0.012
Absence	159 (63)	22 (43.1)
Presence	93 (37)	29 (56.9)
KAD			0.707
Absence	200 (79.3)	39 (76.5)
Presence	52 (20.7)	12 (23)
Lung pathologies			0.211
Absence	228 (90.4)	43 (84.3)
Presence	24 (9.6)	8 (15.7)
Comorbidity			0.013
Absence	121 (48)	15 (29.5)
One comorbidity	59 (23.4)	11 (21.5)
More than one comorbidity	72 (28.6)	25 (49)
Primary cause			0.071
Iatrogenic	87 (34.6)	26 (60)
Trauma	13 (5.1)	4 (7.9)
Post-inflamatuar	4 (1.6)	0 (0)
Idiopatic	148 (58.7)	21 (41.1)
Cause of iatrojenic			0.488
RP	12 (13.8)	5 (19.3)
RT	12 (13.8)	4 (15.3)
Others	53 (60.9)	12 (46.1)
RP+RT	10 (11.5)	5 (19.3)
Stricture localization			0.707
Penile	25 (10)	6 (11.8)
Bulbar	136 (54)	29 (56.9)
Bulbomembranous	18 (7.2)	2 (3.9)
Membranous	8 (3.1)	0 (0)
Prostatic urethra	7 (2.7)	0 (0)
Bladder neck	23 (9.1)	8 (15.6)
Panurethral	8 (3.2)	1 (2)
More than one	27 (10.7)	5 (9.8)
Postoperative NSAII administration			0.758
Absence	140 (55.5)	30 (58.8)
Presence	112 (44.5)	21 (41.2)
Preoperative cystostomy			0.764
Absence	235 (93.2)	47 (92.1)
Presence	17 (6.8)	4 (7.9)
Blood group			0.405
A+	110 (43.7)	23 (45)
A-	18 (7.1)	1 (2)
B+	22 (8.8)	3 (5.9)
B-	6 (2.3)	1 (2)
AB+	21 (8.4)	3 (5.9)
AB-	3 (1.2)	3 (5.9)
0+	66 (26.2)	16 (31.3)
0-	6 (2.3)	1 (2)
Scricture lenght			0.196
< 1 cm	76 (30.1)	9 (17.7)
1-2 cm	154 (61.1)	39 (76.4)
2-4 cm	10 (4)	2 (3.9)
> 4 cm	12 (4.8)	1 (2)
Postoperative inserted indwelling urinary catheter size			0.809
16 Fr	25 (10)	4 (7.8)
18 Fr	105(41.6)	24 (47.1)
20 Fr	122 (48.4)	23 (45.1)
Catheter removal day			0.765
< 3 d	10 (4)	2 (4)
3-5 d	61 (24.2)	10 (19.6)
> 5 d	181 (71.8)	39 (76.4)

DM: Diabetes mellitus; HT: Hypertension; CAD: Coronary artery disease; RP: Radical prostatectomy; RT: Radiotherapy; NSAII: Non-steroidal anti-inflammatory drug.