After treatment , the time of first effective urination , time of establishing reflex urination , average residual volume of urine and time of residual urineless than @ mL in the prior-to-catheter group were all superior to those in the posterior-to-catheter group ( all P < @ ) ; the score of QOL was improved in two groups after treatment ( both P < @ ) , but the difference between two groups was not statistically significant ( P > @ ) ; each index of urination function was not significant among patients with different injured segments of spinal cord ( all P > @ ) .