Table 4 Impact of DA design attributes on concordance between findings of DA and SR of RCTs
Category | Concordance N (%) | Disagreement N (%) | P-value |
|---|---|---|---|
Data source | Â | ||
Single data source | 1(25) | 3(75) | 0.05 |
Multiple data source | 26(79) | 7(21) | Â |
Data from meta-analysis used | Â | ||
Yes | 2(100) | 0(0) | 1.0 |
No | 25(71) | 10(29) | Â |
Expert opinion used | Â | ||
Yes | 0(0) | 2(67) | 0.06 |
No | 27(77) | 8(23) | Â |
Primary data collection undertaken | Â | ||
Yes | 1(50) | 1(50) | 0.47 |
No | 26(74) | 9(26) | Â |