Table 3.
Virulence factor | No. of studies | No. of iGAS | No. of non-iGAS | Pooled OR | 95%CI | Heterogeneity (I2) % | Studies used (reference no.) |
---|---|---|---|---|---|---|---|
speA | 1 | 22/236 | 79/417 | 0.44 | 0.27;0.73 | – | (Li et al., 2022) |
speC | 1 | 169/236 | 302/417 | 0.96 | 0.67;1.37 | – | (Li et al., 2022) |
speG | 1 | 219/236 | 342/417 | 2.83 | 1.63;4.92 | – | (Li et al., 2022) |
speH | 1 | 36/236 | 78/417 | 0.78 | 0.51;1.21 | – | (Li et al., 2022) |
speI | 1 | 35/236 | 72/417 | 0.83 | 0.54;1.30 | – | (Li et al., 2022) |
speJ | 2 | 85/259 | 95/419 | 1.28 | 0.89;1.85 | 0 | (Coppens et al., 2019; Li et al., 2022) |
speK | 2 | 20/259 | 98/419 | 0.26 | 0.15;0.45 | 0 | (Coppens et al., 2019; Li et al., 2022) |
speL | 1 | 18/236 | 17/417 | 1.94 | 0.98;3.85 | – | (Li et al., 2022) |
speM | 1 | 18/236 | 17/417 | 1.94 | 0.98;3.85 | – | (Li et al., 2022) |
ssa | 1 | 15/236 | 132/417 | 0.15 | 0.08;0.26 | – | (Li et al., 2022) |
smeZ | 1 | 162/236 | 350/417 | 0.42 | 0.29;0.61 | – | (Li et al., 2022) |
NaDase 330G | 1 | 173/236 | 371/417 | 0.34 | 0.22;0.52 | – | (Li et al., 2022) |
hasA | 1 | 163/236 | 225/417 | 1.91 | 1.36;2.67 | – | (Li et al., 2022) |
sic | 1 | 24/236 | 89/417 | 0.42 | 0.26;0.68 | – | (Li et al., 2022) |
sda1 | 1 | 36/236 | 94/417 | 0.62 | 0.41;0.94 | – | (Li et al., 2022) |
pnga3 | 1 | 74/236 | 265/417 | 0.26 | 0.19;0.37 | – | (Li et al., 2022) |
iGAS, invasive GAS infections; non-iGAS, non-invasive GAS infections; OR, odds ratio; CI, confidence interval; bold typeface, significant association