No drain (N=118) | Negative drain (N=102) | p-value | |
---|---|---|---|
Sex (M:F) | 36:82 (30.5%:69.5%) | 31:71 (30.4%:69.6%) | 1.000 |
Age | 54.87±14.22 | 49.45±12.96 | 0.004 |
Tumor size (<1 cm:1-4 cm:>4 cm) | 73:40:2 (64.4%:33.9%:1.7%) | 53:31:18 (52%:30.4%:17.6%) | <0.001 |
Cancer | 93(78.8%) | 61(59.8%) | 0.004 |
Central neck dissection | 100(84.7%) | 67(65.7%) | 0.001 |
Retrieval lymph node | 3.36±2.89 | 2.48±2.83 | 0.024 |