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. 2013 Mar 23;37(7):1257–1261. doi: 10.1007/s00264-013-1862-0

Table 2.

Logistic regression models are shown for arthritic severity

Arthritis grade (K/L) Number (n) Logistic regression: forward Wald
p-value Odds ratio 95 % CI
I 11 0.336 2.153 0.451–10.273
II 77 0.001 2.956 1.605–5.443
III 321 <0.001 2.556 1.699–3.844
IV 481 <0.001 0.103 –

CI confidence interval