Table 1.

The initial parameters in ITT and PP groups of patients

Parameter	ITT (n = 476)	PP (n = 229)	P
Average age, years	59.93 ±15.5	58.01 ±15.9	0.900
Gender, male / female ratio, %	74/26	65/35	0.557
The acute injury duration, days	2 (1; 3)	2 (1; 4)	0.694
The ‘overlooked’ iatrogenic injury duration, days	224 (53; 365)	365 (38; 365)	0.826
QoL, points	4.76 ±0.9	4.84 ±0.8	0.785
The acute/overlooked injury ratio, %	78/22	54/46	0.104
Cases of acute injury, N	371	124	0.005
Cases of overlooked injury, N	105	105	< 0.0001
Kidney injury, N	54	34	0.247
Ureter injury, N	68	60	0.001
Bladder injury, N	40	23	0.514
Urethral injury, N	314	112	0.027

ITT – intention-to-treat; PP – per-protocol; QoL – quality of life; N – number