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Characteristics of the studies included in the meta-analysis.
| Author | Year published | Country | Cancer type | Study design | Sample size |
NOS | |||
|---|---|---|---|---|---|---|---|---|---|
| Before COVID-19 |
During COVID-19 |
||||||||
| Complications | Total | Complications | Total | ||||||
| Li YX | 2020 | China | GC | Retrospective | 6 | 68 | 0 | 41 | 7 |
| Tschann P | 2021 | Austria | CRC | Retrospective | 14 | 71 | 11 | 63 | 8 |
| Cui J | 2021 | China | CRC | Retrospective | 21 | 205 | 9 | 67 | 8 |
Abbreviations: NOS, Newcastle–Ottawa Scale. GC, gastric cancer. CRC, colorectal cancer.
