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Table 10 Odds ratios and confidence intervals for cardiovascular disorders between exposed and unexposed residents.

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
Heart Disease* 5 (6.17) 4 (3.10) 1.80 0.33, 9.66 0.50
Acute Myocardial Infarction * 3 (3.57) 3 (2.33) 2.11 0.17, 25.93 0.56
Stroke* 5 (5.95) 1 (0.78) 15.41 0.78, 304.68 0.07
Angina* 15 (17.86) 5 (3.88) 5.72 1.68, 19.43 0.005
Rhythm 10 (12.35) 18 (13.95) 0.61 0.22, 1.68 0.34
Chest tightness** 3.74 ± 2.82 1.92 ± 1.54 5.97 3.13, 11.40 >0.0001
Palpitations** 3.03 ± 2.69 2.35 ± 1.98 1.64 0.87, 3.07 0.12
Pain in Chest** 3.42 ± 2.88 1.73 ± 1.65 4.24 2.21, 8.14 <0.0001
  1. *Odds ratio and confidence intervals are estimated using logistic regression
  2. ** Odds ratio and confidence intervals are estimated using multinomial logistic regression models with generalized estimating equations (GEE); odds ratio interpreted as the odds of exposed being in a higher category compared to unexposed. Respondents were asked to "score each question on a scale of 1 – 11, one representing never and 11 representing always.
  3. Controlled for age, gender, race/ethnicity, education and smoking history