Table 1 characteristics and intraoperative variables
Control | RTD | P value | |
|---|---|---|---|
Age (y) | 49.85 ± 14.30 | 51.46 ± 13.56 | P = 0.549 |
Sex (male, n) | 30/54 (55.5%) | 29/54 (53.7%) | P = 0.847 |
Height (cm) | 164.59 ± 8.11 | 162.50 ± 7.44 | P = 0.165 |
Weight (kg) | 62.70 ± 12.61 | 59.62 ± 10.05 | P = 0.164 |
Mallampati grade (1/2/3/4) | 28/19/7/0 | 29/21/4/0 | P = 0.722 |
Displacement distance (mm) | 13.20 ± 1.52 | 13.31 ± 1.54 | P = 0.730 |
Forces required (N) | 5.70 ± 0.79 | 5.67 ± 0.87 | P = 0.852 |
Displacement angle (degree) | 11.91 ± 1.59 | 12.19 ± 1.87 | P = 0.392 |
Cormack-Lehane classification (1/2/3/4) | 33/17/4/0 | 38/14/2/0 | P = 0.515 |
Size of DLT (Fr) | 34/20 | 41/13 | P = 0.210 |
Type of surgery (VATS/ thoracotomy) | 53/1 | 54/0 | P = 1.000 |
Surgical side (left/right/others) | 16/33/5 | 15/32/7 | P = 0.919 |
Duration of surgery (min) | 115.07 ± 61.63 | 120.31 ± 64.86 | P = 0.667 |
Duration of anesthesia (min) | 211.26 ± 68.99 | 215.37 ± 76.32 | P = 0.770 |
PCA | 22/54(40.7%) | 19/54(35.2%) | P = 0.692 |