Table 2 Estimated odds ratios (with 95% confidence intervals) for model variables from logistic regression model for arthroscopy

From: Meniscal tears are more common than previously identified, however, less than a quarter of people with a tear undergo arthroscopy

Variable Subgroup Odds ratio 95% confidence interval P-value
Gender Female 1.0   
Male 1.13 (0.85, 1.88) n.s
Age groups 18–40 1.0   
40–50 0.87 (0.63, 1.20)  
50–55 0.66 (0.45, 0.97) n.s
Tear type Bucket handle 1.0   
Complex 0.44 (0.26, 0.75)  
Degenerative tear 0.26 (0.15, 0.45)  
Degenerative horizontal/oblique/undersurface 0.27 (0.13, 0.51)  
Horizontal/oblique/undersurface 0.24 (0.15, 0.39)  
Radial 0.25 (0.14, 0.45) < 0.001
Root tear No root tear 1.0   
Root tear 2.24 (1.0, 4.75) 0.049
Referral recommendation Referral not recommended 1.0   
Referral recommended 0.83 (0.45, 1.37) n.s
Chondral changes No chondral changes 1.0   
Chondral changes 0.81 (0.60, 1.08) n.s
Tear size Not undisplaced/small 1.0   
Undisplaced/small 0.62 (0.35, 1.05) n.s