1. Any varices ‐ comparisons between tests.
Any varices ‐ indirect comparisons | |||||
Index test | No. of studies | Cut‐off value |
Sensitivity (95% CI) |
Specificity (95% CI) |
P value* |
Platelet count | 10 | Around 150,000/mm3 | 0.71 (0.63 to 0.77) |
0.80 (0.69 to 0.88) |
0.252 |
Platelet count‐to‐spleen length ratio | 17 | 909 (n/mm3)/mm | 0.93 (0.83 to 0.97) |
0.84 (0.75 to 0.91) |
|
Platelet count | 9 | Around 150,000/mm3 | 0.71 (0.63 to 0.77) |
0.80 (0.69 to 0.88) |
0.021 |
Spleen length | 5 | Around 110 mm | 0.85 (0.75 to 0.91) |
0.54 (0.46 to 0.62) |
|
Platelet count‐to‐spleen length ratio | 17 | 909 (n/mm3)/mm | 0.93 (0.83 to 0.97) |
0.84 (0.75 to 0.91) |
<0.001 |
Spleen length | 5 | Around 110 mm | 0.85 (0.75 to 0.91) |
0.54 (0.46 to 0.62) |
|
* Pair‐wise comparisons between index tests performed by adding the index test as covariate to the bivariate model. P values were obtained by comparing the ‐2 log likelihood of the model with the covariate with the ‐2 log likelihood of the model without the covariate.