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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).