Table 3 Growth of infants born to women with syphilis compared with the local healthy infants
Indicators | Months of age | Syphilis-exposed girls (N1 = 197) | local ordinary girls (N2 = 197) | t-value | P-value | Syphilis-exposed boys (N3 = 222) | local ordinary boys (N4 = 222) | t-value | P-value |
|---|---|---|---|---|---|---|---|---|---|
Length (cm) | at birth | 49.64 ± 1.59 | 49.89 ± 0.82 | 1.954 | 0.052 | 49.85 ± 1.36 | 50.06 ± 0.98 | 1.819 | 0.070 |
3 months | 61.27 ± 2.58 | 61.41 ± 6.80 | 0.582 | 0.561 | 62.69 ± 2.30 | 62.72 ± 2.06 | 0.174 | 0.862 | |
6 months | 67.40 ± 2.33 | 67.24 ± 2.16 | -0.680 | 0.497 | 68.62 ± 2.08 | 68.86 ± 2.17 | 1.076 | 0.283 | |
8 months | — | 70.48 ± 2.14 | — | — | — | 72.11 ± 2.18 | — | — | |
9 months | 71.32 ± 2.23 | — | — | — | 72.26 ± 2.19 | — | — | — | |
12 months | 75.73 ± 2.43 | 75.47 ± 2.30 | -0.924 | 0.356 | 76.79 ± 2.37 | 76.85 ± 2.19 | 0.228 | 0.820 | |
15 months | 79.01 ± 2.44 | — | — | — | 80.44 ± 2.04 | — | — | — | |
18 months | 82.64 ± 2.42 | 82.22 ± 2.63 | -1.003 | 0.317 | 83.57 ± 3.05 | 83.52 ± 2.51 | -0.106 | 0.916 | |
Weight (kg) | at birth | 3.27 ± 0.55 | 3.31 ± 0.39 | 0.763 | 0.446 | 3.44 ± 0.54 | 3.39 ± 0.42 | -1.083 | 0.279 |
3 months | 6.40 ± 0.71 | 6.50 ± 0.57 | 1.376 | 0.017 | 6.96 ± 0.75 | 7.04 ± 0.71 | 1.203 | 0.230 | |
6 months | 7.97 ± 0.79 | 8.11 ± 0.79 | 1.720 | 0.086 | 8.56 ± 0.95 | 8.67 ± 0.87 | 1.217 | 0.224 | |
8 months | — | 8.83 ± 0.89 | — | — | — | 9.36 ± 0.91 | — | — | |
9 months | 9.02 ± 0.90 | — | — | — | 9.63 ± 1.04 | — | — | — | |
12 months | 9.97 ± 0.94 | 9.75 ± 0.90 | -2.009 | 0.045 | 10.53 ± 1.00 | 10.30 ± 0.92 | -2.036 | 0.043 | |
15 months | 10.69 ± 0.92 | — | — | — | 11.50 ± 0.99 | — | — | — | |
18 months | 11.47 ± 0.99 | 11.08 ± 0.95 | -2.496 | 0.013 | 12.12 ± 1.12 | 11.69 ± 1.03 | -2.664 | 0.008 |