Table 1 Baseline demographic characteristic
Variables | Total (n = 1763) | Non-transect (n = 1452) | Transect (n = 311) | p |
|---|---|---|---|---|
Sex, n (%) | < 0.001 | |||
Female | 150 (8) | 106 (7) | 44 (14) | |
Male | 1613 (92) | 1346 (93) | 267 (86) | |
Age (years old), n (%) | 0.261 | |||
< = 60 | 548 (31) | 443 (30) | 105 (34) | |
> 60 | 1215 (69) | 1009 (70) | 206 (66) | |
BMI (kg/m2), n (%) | 0.650 | |||
< = 24 | 1131 (64) | 928 (63) | 203 (67) | |
> 24 | 632 (36) | 524 (37) | 108 (33) | |
ASA*, n (%) | 0. 293 | |||
1 | 815 (46) | 659 (45) | 156 (50) | |
2 | 863 (49) | 723 (50) | 140 (45) | |
3 | 85 (5) | 70 (5) | 15 (5) | |
Position, n (%) | 0.806 | |||
Left | 669 (38) | 524 (37) | 145 (39) | |
Right | 1094 (62) | 873 (63) | 221 (61) | |
EHS Classification, n (%) | 0.889 | |||
L1-2 | 1163 (66) | 958 (66) | 208 (67) | |
L3 | 600 (34) | 494 (34) | 103 (33) | |
Length (cm), n (%) | 0.397 | |||
< = 1 | 42 (2) | 31 (2) | 11 (4) | |
< = 3 | 669 (38) | 553 (37) | 116 (40) | |
< = 4 | 828 (47) | 708 (48) | 120 (43) | |
> 4 | 224 (13) | 187 (13) | 37 (13) | |
Seroma, n (%) | 0.011 | |||
No | 1530 (87) | 1274 (88) | 256 (82) | |
Yes | 233 (13) | 178 (12) | 55 (18) | |