Variable
Group A (n=50) Group B (n=228)
P value
Hemoglobin on the first postoperative day (g/L) 99.5±13.4 (74.2-125.0) 106.0±11.2 (77.2-134.0) .012
Blood loss during operation (ml) 31.8 ± 20.0 (10-100) 30.8 ± 23.6 (10-200) .745
Duration of surgical procedure (min) 57.0 ± 11.8 (30-90) 55.9 ± 9.4 (25-99) .497
Length of hospital stay (d) 7.0 (1.0) 6.5 (1.0) .296**
Hospitalization cost (CNY) 10870 (2175.3) 11085.0(1997.3) .528**
Complications (n)
Bladder injury 0 (0.0%) 2 (.9%) .672*
Hematoma 1 (2.0%) 2 (.9%) .450*