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Table 3 Incremental costs in non-screening scenarios compared with screening

From: A health economic evaluation of screening and treatment in patients with adolescent idiopathic scoliosis

  Ratios of brace/surgery in non-screening scenarios
   20/80 30/70 40/60 50/50 60/40 70/30
Treatment rates in non-screening scenarios compared to screening 100% 37.0 (22 to 55) 29.7 (16 to 45) 22.4 (10 to 36) 15.1 (4 to 27) 7.8 (−2 to 18) -0.5 (−8 to 9)
90% 27.6 (14 to 44) 21.0 (9 to 35) 14.5 (3 to 27) 7.9 (−2 to 19) 1.3 (−8 to 11) - 5.3 (−13 to 3)
80% 18.2 (6 to 33) 12.4 (1 to 25) 6.5 (−4 to 18) 0.7 (−9 to 11) - 5.2 (−14 to 4) - 11.0 (−19 to −3)
70% 8.8 (−3 to 22) 3.7 (−7 to 15) - 1.4 (−11 to 9) - 6.5 (−15 to 3) - 11.6 (−20 to −3) - 16.8 (−24 to −9)
60% - 0.6 (−11 to 11) - 5.0 (−15 to 5) - 9.3 (−18 to 0) - 13.7 (−22 to −5) - 18.0 (−26 to −10) - 22.5 (−30 to −15)
  1. Mean 95% Crl are given for non-screening scenarios with treatment rates from 60% to 100% combined with different ratios of bracing to surgery from 20/80 to 70/30.
  2. Non-screening is more expensive with higher treatment rates and higher surgical rates compared with screening. Non-screening is less expensive with lower treatment rates and higher bracing rates compared to screening.
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