Reference Values | Healthy Controls, n = 24 | RA, n = 30, T0 | RA, n = 30, T6 | p, T0 vs T6 | RA, n = 16, T6 | RA, n = 16, T12 | p, T6 vs T12 | |
---|---|---|---|---|---|---|---|---|
Serum IgG, mg/dl | 700–1600 | 1140 (1065–1410) | 1330 (1085–1385) | 1070* (901–1210) | 0.0002 | 990 (880–1090) | 958** (904–1044) | NS |
Serum IgA, mg/dl | 70–400 | 199 (161–284) | 361*** (260–513) | 287** (206–420) | 0.0002 | 207 (172–328) | 201 (176–282) | 0.047 |
Serum IgM, mg/dl | 40–240 | 127 (103–160) | 181* (124–208) | 145 (102–170) | 0.002 | 127 (102–169) | 102 (88–159) | NS |
κ chain, mg/l | 3.3–19.4 | 12.8 (11.1–15.6) | 24.3*** (18.0–33.6) | 19.6*** (13.9–21.9) | 0.003 | 15.9 (13.9–19.9) | 16.1* (13.3–19.6) | NS |
λ chain, mg/l | 5.7–26.3 | 12.2 (9.9–15.1) | 16.5** (12.5–20.3) | 13.0 (10.7–17.1) | 0.01 | 12.9 (11.1–14.4) | 12.2 (9.9–14.5) | NS |
κ:λ ratio | 0.26–1.65 | 1.07 (0.95–1.24) | 1.37** (1.19–1.73) | 1.28** (1.09–1.53) | 0.02 | 1.28 (1.15–1.49) | 1.25* (1.14–1.59) | NS |