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Table 3 Obesity class amongst (1) those coded obese in the DAD administrative health database, and (2) those not coded obese in the DAD administrative health database

From: Coding of obesity in administrative hospital discharge abstract data: accuracy and impact for future research studies

  Obese in DAD Coded as Obese in the DAD and by physical measure Obese by physical measure and not coded obese in administrative data Obese by physical measure
  Number Percent Number Percent Number Percent Number Percent
Total 414 100 273 100 3250 100 3523 100
Weight Class         
BMI <30 141 34.06 0 0 0 0 0 0
I (BMI 30-34.99 kg/m2) 199 48.07 199 72.89 2740 84.31 2939 83.42
II (BMI 35-39.99 kg/m2) 60 14.49 60 21.98 416 12.8 476 13.51
III (BMI ≥ 40 kg/m2) 14 3.38 14 5.13 94 2.89 108 3.07
  1. Abbreviations: BMI Body Mass Index.