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Table 3 Comparisons of incidences of bleeding-related wound problems in patients with and without increased surgical drain output

From: Risk factors for predicting increased surgical drain output in patients after anterior cervical corpectomy and fusion

Complications Patients with increased surgical drain output P
Yes (n = 36) No (n = 181)
Dressing reinforcement, n (%) 0 (0) 0(0) 1.000
Oozing, n (%) 4(11.1) 8(4.4) 0.109
Subcutaneous hematoma, n (%) 0 (0) 0(0) 1.000
Ecchymosis, n (%) 7(19.4) 22(12.2) 0.240
Infection, n (%) 0 (0) 0(0) 1.000