Stratification | No. of studies | No. of patients | Pooled SMD/OR | 95% CI of pooled SMD/OR | P value | Heterogeneity I2 (%) |
---|---|---|---|---|---|---|
Knowledge points | 5 | 540 | 1.46 | 0.70 – 3.07 | 0.31 | 52 |
Literature retrieval ability | 6 | 517 | 9.38 | 3.14 – 28.03 | <0.0001 | 76 |
Expressive ability | 10 | 669 | 6.05 | 4.22 – 8.68 | <0.00001 | 25 |
Memory ability | 3 | 231 | 1.46 | 0.81 – 2.63 | 0.21 | 0 |
Learning motivation | 4 | 220 | 5.91 | 2.98 – 11.74 | <0.00001 | 0 |
Think and understand ability | 4 | 244 | 3.01 | 0.54 – 5.48 | 0.02 | 98 |
Imaging reading ability | 5 | 404 | 1.10 | 0.28 – 1.91 | 0.009 | 93 |