| Variable | Bladder irrigation group | No bladder irrigation group | P value |
| No. of patients | 39 | 39 | |
| Gender | |||
| Male/female | 22/17 | 20/19 | 0.650 |
| Age (year) | 35.23 ± 11.63 | 31.28 ± 6.25 | 0.066 |
| Mean ± s.d. (range) | (19 - 54) | (22 - 49) | |
| Duration of spinal cord injury (months) | 8.19 ± 3.27 | 9.56 ± 3.38 | 0.074 |
| Mean ± s.d. (range) | (4.9 - 15.4) | (5.2 - 17.8) | |
| level of neurological injury | |||
| Tetraplegia/Paraplegia/Conus-Cauda Equina Syndrome | 4/19/16 | 8/23/8 | 0.112 |
| AIS scores, n (%) | |||
| AIS-A/B/C/D | 13/15/9/2 | 16/11/10/2 | 0.541 |