Table 2 Subgroup analysis of comparison between LPG-DT and LTG
No. of studies | OR/WMD | 95%CI | p | Heterogeneity | Effect model | ||
|---|---|---|---|---|---|---|---|
I2 | p | ||||||
Age | 6 | 0.18 | −3.07-3.42 | 0.92 | 69% | 0.007 | Random |
Gender (male) | 7 | 1.89 | 1.26–2.84 | 0.002 | 0% | 0.50 | Fixed |
ASA (I) | 3 | 0.43 | 0.22–0.83 | 0.01 | 1% | 0.36 | Fixed |
BMI (kg/m2) | 5 | −0.40 | −1.76-0.96 | 0.57 | 86% | < 0.001 | Random |
Tumor size (cm) | 4 | −0.94 | −1.26-(−0.62) | < 0.001 | 0% | 0.59 | Fixed |
T-stage (I) | 4 | 2.21 | 1.17–4.17 | 0.01 | 29% | 0.24 | Fixed |
N-Stage (N+) | 4 | 0.77 | 0.34–1.71 | 0.52 | 0% | 0.53 | Fxied |
Stage (I) | 6 | 2.70 | 1.35–5.39 | 0.005 | 0% | 0.61 | Fixed |
Operation time (min) | 6 | −10.43 | −25.64-4.77 | 0.18 | 69% | 0.007 | Random |
Blood loss (ml) | 4 | 3.74 | −57.37-64.84 | 0.90 | 88% | < 0.001 | Random |
Proximal resection margin (cm) | 4 | −0.97 | −1.80-(−0.14) | 0.02 | 77% | 0.004 | Random |
Distal resection margin (cm) | 4 | −8.30 | −9.57-(−7.03) | < 0.001 | 76% | 0.006 | Random |
No. of retrieved LNs | 5 | −11.28 | −13.52-(−9.04) | < 0.001 | 26% | 0.25 | Fixed |
Length of hospital stay (day) | 6 | −0.21 | −1.21-0.80 | 0.68 | 10% | 0.35 | Fixed |
C-D grade I or more | 4 | 0.87 | 0.36–2.13 | 0.76 | 65% | 0.04 | Random |
C-D grade II or more | 4 | 0.73 | 0.44–1.21 | 0.22 | 0% | 0.46 | Fixed |
C-D grade III or more | 3 | 0.35 | 0.12–1.07 | 0.07 | 51% | 0.15 | Fixed |
Cholecystitis | 4 | 1.41 | 0.44–4.52 | 0.56 | 0% | 0.64 | Fixed |
Fluid collection | 3 | 0.74 | 0.30–1.86 | 0.53 | 45% | 0.16 | Fxied |
Leakage | 6 | 0.81 | 0.34–1.94 | 0.64 | 0% | 0.68 | Fixed |