Table 2.
Subtype | No. of studiesa (n = 85) |
Pooled proportion | 95% CI |
---|---|---|---|
IIa | 58 | 0.53 | 0.43–0.63 |
IIb | 5 | 0.0097 | 0.0058–0.015 |
IIc | 43 | 0.19 | 0.13–0.26 |
IId | 36 | 0.12 | 0.082–0.16 |
IIe | 11 | 0.027 | 0.016–0.039 |
IIf | 2 | 0.0087 | 0.0050–0.013 |
IIg | 3 | 0.0083 | 0.0048–0.013 |
IIh | 1 | 0.0075 | 0.0042–0.012 |
IIi | 3 | 0.0087 | 0.0050–0.013 |
IIm | 3 | 0.0085 | 0.0049–0.013 |
IIn | 2 | 0.012 | 0.0075–0.017 |
IIo | 1 | 0.0083 | 0.0048–0.013 |
aNumber of studies with at least one of the subtypes
Abbreviation: CI confidence interval