Variables Variables Antibiotic exposure within 6 months of age Antibiotic exposure within 6 months of age p-value
Yes (n=566) No (n=1071)
AD at 6 months Number 77 110
Mean ± SD 12.56±10.94 14.24±12.13 0.33
Mild(<15) 49 (63.6) 71 (64.5) 0.90
Moderate-severe(≥15) 28(36.4) 39(35.5)
AD at 1 year Number 83 143
Mean ± SD 9.42±10.00 6.38±9.26 0.02
Mild (<15) 55(66.3) 118 (82.5) <0.01
Moderate-severe (≥15) 28(33.7) 25(17.5)
AD at 2 years Number 104 149
Mean ± SD 7.67±10.40 5.71±9.07 0.11
Mild (<15) 77(74.0) 123(82.6) 0.10
Moderate-severe (≥15) 27(26.0) 26(17.4)
AD at 3 years Number 87 142
Mean ± SD 5.85±11.38 4.09±7.89 0.21
Mild (<15) 72(82.8) 123(86.6) 0.43
Moderate-severe (≥15) 15(17.2) 19(13.4)