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Table 3 Estimated odds ratios for lower lameness grade between time points and differences in joint effusion and associated 95% confidence intervals

From: An international multi-centre prospective study on the efficacy of an intraarticular polyacrylamide hydrogel in horses with osteoarthritis: a 24 months follow-up

Odds ratio

Estimate

95% confidence limits

Month 1 vs Baseline

20.45

6.24

66.98

Month 3 vs Baseline

23.16

5.65

94.85

Month 6 vs Baseline

50.94

12.29

211.05

Month 12 vs Baseline

66.64

15.46

287.14

Month 24 vs Baseline

57.71

12.12

274.71

Effusion −1

3.12

1.97

4.94

  1. Odds ratios for lower lameness from month 1 to month 24 relative to baseline increased from 20 (95% CI = 6–67) to 58 (95% CI = 12–275).