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Table 8 Estimated odds ratios and confidence intervals for autoimmune disorders comparing residents to controls

From: Cluster of systemic lupus erythematosus (SLE) associated with an oil field waste site: a cross sectional study

  Exposed N(%) or mean ± s.d. Unexposed N(%) or mean ± s.d. Odds Ratio 95% Confidence Interval P-value
Rheumatic Diseases 33 (39.29) 16 (12.40) 10.78 4.14, 28.12 <0.0001
Systemic lupus erythematosus 13(14.29) 1 (0.78) 19.33 1.96,190.72 0.01
Immune 9 (11.11) 1 (0.78) 26.44 2.67,261.50 0.005
Anemia 22 (26.19) 29 (22.48) 1.14 0.49, 2.65 0.76
Numbness in Fingers 49 (58.33) 34 (26.36) 3.96 1.93, 8.15 <0.0002
Mouth Sores 18 (21.43) 6 (4.65) 5.66 1.78, 18.03 0.03
Rash on the Cheeks 17 (20.24) 4 (3.10) 8.27 2.20, 31.13 0.002
Rash from Sunlight 17 (20.24) 11 (8.53) 1.44 0.50, 4.13 0.50
Pain on Deep Breath 19 (22.62) 7 (5.43) 11.04 3.68, 33.13 <0.0001
  1. *Odds ratio and confidence intervals are estimated using logistic regression
  2. Controlled for age, gender, race/ethnicity, education and smoking history