Table 2.
Meta-regression and stratified analysis of included studies related to laparoscopic gastrectomy with indocyanine green.
| Stratified | Meta-regression | |||||||
|---|---|---|---|---|---|---|---|---|
| No. of studies | Pooled WMD(95% CI) | Heterogeneity(p-Value) | Coefficient | p-Value | ||||
| Crude | 13 | 6.240 (4.258, 8.221) | <0.001 | |||||
| Laparoscopy types | −2.354495 | 0.455 | ||||||
| robotic | 4 | 8.213 (3.231, 13.194) | 0.056 | |||||
| non-robotic | 9 | 5.208 (2.528, 7.887) | <0.001 | |||||
|
Year of
publication |
−1.620863 | 0.618 | ||||||
| 2017-2018 | 3 | 7.747 (2.307, 13.186) | 0.010 | |||||
| 2019-2020 | 10 | 6.038 (3.246, 8.830) | <0.001 | |||||
ICG, indocyanine green; WMD, weighted mean difference; CI, confidence interval; NIR, near-infrared light; PRISMA, Preferred Reporting Items for Systematic Reviews and Meta-Analyses; PICOS; Problem/patient, Intervention, Comparison, Outcome, Study design; Y, yes; N, no; U, unclear.