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Table 3 Cross-sectional comparison of BMI at each time point

From: Updated adolescent diagnostic criteria for polycystic ovary syndrome: impact on prevalence and longitudinal body mass index trajectories from birth to adulthood

  Age 1, n = 218 Age 2, n = 67 Age 3, n = 165 Age 5, n = 217 Age 8, n = 216 Age 10, n = 225 Age 14, n = 227 Age 16, n = 207 Age 20, n = 194 Age 22, n = 173
Overall population (kg/m2)
  16.86 ± 1.33 15.79 ± 1.28 15.99 ± 1.20 15.69 ± 1.53 16.74 ± 2.09 18.32 ± 3.07 21.51 ± 3.81 23.08 ± 4.23 24.11 ± 4.77 25.03 ± 5.54
Original Rotterdam criteria (kg/m2)
 O-nPCOS 16.78 ± 1.33 15.67 ± 1.26 15.96 ± 1.21 15.62 ± 1.43 16.65 ± 1.97 18.15 ± 2.99 20.97 ± 3.41 22.58 ± 3.58 23.68 ± 4.28 24.24 ± 4.48
 O-PCOS 17.04 ± 1.34 16.02 ± 1.33 16.07 ± 1.18 15.86 ± 1.76 16.96 ± 2.37 18.76 ± 3.24 22.82 ± 4.40 24.36 ± 5.37 25.40 ± 5.83 27.08 ± 7.31
p value 0.193 0.296 0.585 0.307 0.329 0.181 0.003 0.021 0.061 0.015
 O-nPCOS (n = 161) 154 44 119 154 153 161 161 148 145 125
 O-PCOS (n = 66) 64 23 46 63 63 64 66 59 49 48
Updated 2018 adolescent Rotterdam criteria (kg/m2)
 U-nPCOS 16.81 ± 1.36 15.72 ± 1.31 15.93 ± 1.22 15.58 ± 1.41 16.58 ± 1.92 18.13 ± 2.90 21.10 ± 2.99 22.54 ± 3.59 23.58 ± 4.20 24.19 ± 4.45
 U-PCOS 17.09 ± 1.13 16.12 ± 1.14 16.34 ± 1.04 16.29 ± 2.00 17.58 ± 2.70 19.35 ± 3.76 24.19 ± 4.84 25.97 ± 5.96 27.56 ± 6.58 29.79 ± 8.22
p value 0.254 0.327 0.129 0.013 0.043 0.076 0.001 0.003 0.006 0.002
 U-nPCOS (n = 190) 182 55 142 183 181 190 189 174 168 147
 U-PCOS (n = 37) 36 12 23 34 35 35 37 33 28 26
  1. t test was used for comparisons between the groups
  2. O-nPCOS original non-polycystic ovary syndrome group, O-PCOS original Rotterdam polycystic ovary syndrome group, U-nPCOS updated non-polycystic ovary syndrome group, U-PCOS updated Rotterdam polycystic ovary syndrome group