showed a trendP=0.06
In this model ( Table 3 ), both PIV [odds ratio (OR) =1.011, 95% confidence interval (CI): 1.007–1.015, P<0.001] and CRP (OR =1.026, 95% CI: 1.014–1.038, P<0.001) remained significant independent predictors of OM, while symptom duration showed a trend (P=0.06).