From: Occupational benzene exposure and the risk of genetic damage: a systematic review and meta-analysis
Genetic damage index | The number of groups | SMD(95% CI) | P-Value | heterogeneity | |
---|---|---|---|---|---|
I2(%) | P-Value | ||||
MN frequency | 49 | 1.36 (1.084–1.63) | P < 0.05 | 95.7 | P < 0.1 |
SCE frequency | 21 | 0.98 (0.6–1.36) | P < 0.05 | 91.2 | P < 0.1 |
CA frequency | 17 | 0.76 (0.49–1.03) | P < 0.05 | 81.8 | P < 0.1 |
OTM | 5 | 1.06 (0.63–1.50) | P < 0.05 | 80.1 | P < 0.1 |
TM | 8 | 0.96 (0.34–1.58) | P < 0.05 | 93.9 | P < 0.1 |
TL | 12 | 1.78 (1–2.56) | P < 0.05 | 95.7 | P < 0.1 |
T DNA% | 5 | 1.42 (0.66–2.19) | P < 0.05 | 95.2 | P < 0.1 |