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Table 3 Base-case, subgroup by BMI categories and scenario analyses: effects, costs and ICERs

From: Cost Effectiveness of Antenatal Lifestyle Interventions for Preventing Gestational Diabetes and Hypertensive Disease in Pregnancy

  Effect (percentage of cases prevented)a Cost (AUD) ICER
Control Intervention Difference Control Intervention Difference Per case prevented
Base-case 11.78 9.53 2.25 $8248 $8281 $33 $1470
BMI subgroup analysis
 Up to 25 8.71 7.00 1.71 $7891 $7965 $74 $4314
 25 up to 30 12.44 10.07 2.37 $8388 $8411 $23 $974
 30 plus 18.87 15.38 3.49 $9023 $8974 − $49 Dominant (cost saving)
 25 plus 15.25 12.39 2.86 $8667 $8657 − $10 Dominant (cost saving)
Scenario analysisb 11.78 9.57 2.21 $8248 $8283 $35 $1582
  1. AUD Australian dollars, ICER incremental cost-effectiveness ratio, BMI body mass index
  2. aFor gestational diabetes and/or hypertensive disease
  3. bThe risk ratio for the health states of gestational diabetes and hypertensive disease in pregnancy is set to risk ratio for hypertensive disease in pregnancy