Table 2 Comparison of the pre-matching characteristics between the two groups [n (%)]
From: Effects of preoperative surgeon warm-up in video-assisted thoracoscopic surgery lobectomy
Variables | Warm-up group (n = 172) | Warm-up effect group (n = 192) | χ2/t | p-values |
|---|---|---|---|---|
Sex | ||||
Female | 96 (55.81) | 93 (48.44) | 1.98 | 0.160 |
Male | 76 (44.19) | 99 (51.56) | ||
Age (years) | 60.1 ± 10.1 | 60.8 ± 9.6 | 0.74 | 0.463 |
BMI | 22.3 ± 1.6 | 22.3 ± 1.7 | 0.08 | 0.934 |
ACCI | 1.8 ± 1.1 | 2.0 ± 1.2 | 1.21 | 0.225 |
Number of lymph node dissections | 5.2 ± 1.4 | 5.1 ± 1.3 | 0.45 | 0.650 |
Hypertension | 23 (13.37) | 27 (14.06) | 0.04 | 0.848 |
Diabetes mellitus | 9 (5.23) | 18 (9.38) | 2.27 | 0.132 |
Coronary heart disease | 3 (1.74) | 8 (4.17) | 1.82 | 0.178 |
COPD | 1 (0.58) | 8 (4.17) | — | 0.039* |
Surgical anatomic site | 2.13 | 0.712 | ||
Right upper lobe | 53 (30.81) | 53 (27.60) | ||
Left upper lobe | 36 (20.93) | 47 (24.48) | ||
Right lower lobe | 38 (22.09) | 35 (18.23) | ||
Left lower lobe | 32 (18.60) | 38 (19.79) | ||
Right middle lobe | 13 (7.56) | 19 (9.90) | ||
ECOG score | 1.0 (0.0, 1.0) | 1.0 (0.0, 1.0) | 1.41 | 0.158# |
ASA score | 1.3 ± 0.5 | 1.3 ± 0.6 | 0.27 | 0.785 |