Table 1.
Anti-Ro/SSA (U/ml) | Anti-La/SSB (U/ml) | |||||||||||
Serum | Tear fluid | Serum | Tear fluid | |||||||||
Controls (n = 17) | Primary SS (n = 14) | Secondary SS (n = 14) | Controls (n = 17) | Primary SS (n = 14) | Secondary SS (n = 14) | Controls (n = 17) | Primary SS (n = 14) | Secondary SS (n = 14) | Controls (n = 17) | Primary SS (n = 14) | Secondary SS (n = 14) | |
Mean (SD) | 13.1 (7) | 81.9 (82) | 37.7 (40) | 12.4 (6.4) | 27 (30) | 15 (7.9) | 18.4 (6.4) | 60.3 (60.2) | 41 (38.2) | 17.9 (6.6) | 43.8 (54.4) | 24.5 (38.2) |
Median | 12.5 | 39.3* | 25.2 | 11.5 | 14.3 | 13.5 | 19.5 | 40.5† | 25.2 | 19 | 25.2 | 26 |
Range | 1.3–26.5 | 1.4–256 | 1.4–119.5 | 1.1–23.9 | 1.3–89.2 | 1.6–28 | 7.5–29.1 | 19.2–237 | 10.2–129.5 | 7.5–29.9 | 7.6–177.3 | 8.1–51.9 |
*Significantly different from the control group (p = 0.003).
†Significantly different from the control group (p = 0.001).