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Table 5 Results from the case study on the risk of symptomatic knee OA in obese persons

From: Evaluation of exposure-specific risks from two independent samples: A simulation study

Age

Overall risk of symptomatic knee OA in the Oliveria study

Risk of symptomatic knee OA for obese persons using the simple product-based method

95% CI for ESRS using a log-based variance

Risk of symptomatic knee OA for obese persons using the revised product-based method

95% CI for ESRR using a log-based variance

95% CI for ESRR using a binomial variance

50-59

0.0040

0.0076

0.0052-0.0110

0.0057

0.0038-0.0085

0.0037-0.0077

60-69

0.0087

0.0167

0.0121-0.0230

0.0125

0.0089-0.0175

0.0095-0.0155

70-79

0.0147

0.0282

0.0207-0.0383

0.0211

0.0153-0.0289

0.0168-0.0253

  1. *Probability of being obese was derived from the Niu study (0.371)
  2. **RR of symptomatic knee OA for obese persons was derived from the Niu study (1.91)