Table 3.
Risk Factors for the diagnosis of Sjögren’s syndrome
| Risk Factor | OR | 95% CI | P-value |
|---|---|---|---|
| Age | 1.01 | 0.99, 1.02 | 0.31 |
| Gender (women vs men) | 1.97 | 0.89, 4.35 | 0.09 |
| Race (white vs non-white) | 0.69 | 0.31, 1.51 | 0.35 |
| Tear break-up time (<5 seconds vs 5-10 seconds) | 1.09 | 0.93, 1.27 | 0.28 |
| Schirmer test (<5 mm vs 5-10 mm) | 1.17 | 0.96, 1.41 | 0.12 |
| Corneal fluorescein staining | 1.14 | 0.77, 1.70 | 0.501 |
| Rheumatoid factor (positive vs negative) | 2.61 | 1.37, 4.95 | 0.003 |
| Antinuclear antibody (positive vs negative) | 2.19 | 1.46, 3.30 | <0.001 |
| SSA (yes vs no) | 2.79 | 1.60, 4.89 | <0.001 |
| SSB (yes vs no) | 2.58 | 1.38, 4.82 | 0.003 |
CI = confidence interval; OR = odds ratio; SSA = Anti-Ro antibodies; SSB = Anti-La antibodies