Table 7 Subgroup analysis of the correlation between burnout and job stress
From: Factors associated with burnout among Chinese operating room nurses: a meta-analysis
Program | Literature Volume | Merged Z-value | 95% CI | Heterogeneity (I2) |
|---|---|---|---|---|
Year | ||||
 2018–2019 | 2 | 0.5 | (0.32, 0.69) | 0 |
 2021 | 2 | 0.68 | (0.61, 0.75) | 96 |
 2023 | 1 | 0.81 | (0.62, 1) |  |
Region | ||||
 North | 3 | 0.61 | (0.36, 0.86) | 92 |
 South | 2 | 0.69 | (0.39, 0.99) | 60 |
Sample size | ||||
< 100 | 2 | 0.5 | (0.32, 0.69) | 0 |
≥ 100 | 1 | 0.81 | (0.62, 1) |  |
> 200 | 2 | 0.68 | (0.61, 0.75) | 96 |