Table 3
Incidence rate ratio (IRR) data
Test
IRR
95% CI
p Value
CI, confidence interval; CRP, C reactive protein; LDH, lactate dehydrogenase; RF, rheumatoid factor.
Calcium
0.38
0.37 to 0.39
<0.001
LDH
0.21
0.16 to 0.29
<0.001
RF
0.73
0.68 to 0.78
<0.001
CRP
0.70
0.66 to 0.74
<0.001