Tabel 2. Ratio of HMw and LMw serum SP-D ratio between controls and SpA according to Met11Thr polymorphism

H/L Mw SP-D ratioControlSpADifference95% CIP-value
Met11/Met114,141,38−2,76−3.60 to −1.93P<0.001
Met11/Thr111,510,36−1,15−1.84 to −0.46P<0.001
Thr11/Thr110,220,06−0,16−1.15 to 0.83P>0.05