Closed drainage group (n = 214) | Non-drainage group (n = 206) | p | |
---|---|---|---|
Age (yr.) | 50.4 ± 6.6 | 49.6 ± 6.2 | 0.220 |
Male to female ratio | 122:92 | 129:77 | – |
Operation time (min.) | 60.6 ± 4.1 | 60.2 ± 3.9 | 0.359 |
Intraoperative blood loss (ml.) | 62.7 ± 6.5 | 62.6 ± 6.2 | 0.856 |
Hemorrhagic collection (ml.) | 54.2 ± 15.5 | – | – |