Stratified analysis [sets of studies] | Number of studies | Pooled estimation | Heterogeneity | ||
---|---|---|---|---|---|
OR | 95% CI | Χ2 | p value | ||
Nursing staff versus medical staff [32, 33, 36, 38, 41, 48, 50, 55] | 8 | 1.72 | 1.07-2.77 | 4.60 | 0.71 |
Nursing staff versus other healthcare staff | Â | Â | Â | Â | Â |
4 | 3.66 | 2.33-5.77 | 1.18 | 0.76 | |
5 | 3.19 | 1.98-5.13 | 1.26 | 0.87 | |
4 | 2.07 | 0.83-5.15 | 6.4 | 0.09 |