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Table 1 Effect of gender on intraoperative bleeding, and immediate and final drainage

From: Intraoperative blood loss, postoperative drainage, and recovery in patients undergoing lumbar spinal surgery

Patients

Men (n = 74)

Women (n = 109)

P

Intraoperative bleeding (ml)

539.19 ± 424.21

437.06 ± 312.71

0.079

Immediate drainage (ml)

60.61 ± 68.39

53.67 ± 62.33

0.478

Final drainage (ml)

262.91 ± 273.56

239.86 ± 210.09

0.521