BILAG A vs BILAG B, C, D Specificity, % NPV, % Sensitivity, % PPV, % P
Anti-C1q 87.9 (188/214) 85.5 (188/219) 40.4 (21/52) 44.7 (21/47) 0.000
Anti-Properdin 18.7 (40/214) 75.5 (40/53) 74.5 (38/51) 17.9 (38/212) 0.275
Anti-C1q and anti-Properdin 88.3 (189/214) 85.1 (189/222) 35.3 (18/51) 41.9 (18/43) 0.000
Anti-C1q and anti-dsDNA 91.4 (169/185) 86.7 (169/195) 38.1 (16/42) 50.0 (16/32) 0.000
Anti-Properdin and anti-dsDNA 57.3 (106/185) 89.8 (106/118) 70.7 (29/41) 26.9 (29/108) 0.001
Anti-C1q, anti-dsDNA and C3 and C4
97.8 (176/180)
84.2 (176/209)
19.5 (8/41)
66.7 (8/12)
0.000
Anti-Properdin, anti-dsDNA and C3 and C4
94.4 (170/180)
85.9 (170/198)
30.0 (12/40)
54.5 (12/22)
0.000