Table 1. Demographic characteristics and clinical findings of ET and MT group

Characteristics Overall (n=388) ET (n=199) MT (n=189) p-value
Median f/u time (months) [IQR] 8.50 [3.42, 13.10] 7.40 [3.35, 10.29] 10.52 [4.04, 15.85] <0.001
Sex F 241 (62.1%) 131 (65.8%) 110 (58.2%) 0.149
M 147 (37.9%) 68 (34.2%) 79 (41.8%)
Mean age (years) 53.84 ± 14.47 54.89 ± 14.33 52.72 ± 14.57 0.139
Laterality Lt. 206 (53.1%) 109 (54.8%) 97 (51.3%) 0.563
Rt. 182 (46.9%) 90 (45.2%) 92 (48.7%)
Graft underlaying technique Above malleus 79 (20.4%) 39 (19.6%) 40 (21.2%) 0.797
Below malleus 309 (79.6%) 160 (80.4%) 149 (78.8%)
Graft material Surederm 1 (0.3%) 0 (0.0%) 1 (0.5%) <0.001
Temporalis Deep fascia 188 (48.5%) 0 ( 0.0%) 188 (99.5%)
Tragal perichondrium 199 (51.3%) 199 (100.0%) 0 ( 0.0%)
Anesthesia method General 225 (58.0%) 154 (77.4%) 71 (37.6%) <0.001
Local 160 (41.2%) 42 (21.1%) 118 (62.4%)
MAC 3 (0.8%) 3 (1.5%) 0 (0.0%)
Median operation time (min) [IQR] 75.00 [54.00, 94.00] 54.00 [49.00, 70.00] 94.00 [79.00, 105.00] <0.001
Median hospital stay duration (days) [IQR] 4.00 [3.00, 7.00] 3.00 [3.00, 3.00] 7.00 [7.00, 9.00] <0.001
IQR : Inter quartile range, MAC : Monitored anesthesia care.