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Table 2 Comorbidities of the participants

From: Erectile dysfunction is frequent in systemic sclerosis and associated with severe disease: a study of the EULAR Scleroderma Trial and Research group

  No erectile dysfunction (n= 23) Erectile dysfunction (n= 105) Odds ratio (95% confidence interval)
Cardiovascular risk factors    
   Systemic arterial hypertension 14.3 24.1 1.11 (0.92 to 1.34)
   Diabetes mellitus 4.4 6.9 1.08 (0.82 to 1.42)
   Coronary heart disease 4.4 13.3 1.17 (0.98 to 1.39)
   Hypercholesterolaemia 19.1 13.3 0.92 (0.70 to 1.21)
   History of smoking 31.8 42.6 1.09 (0.92 to 1.29)
   Cigarette smoking (pack-years) 15 (10 to 21) 20 (9 to 30) P = 0.69
Medication    
   Antidepressant, sedative, neuroleptic or antiepileptic 4.4 9.1 1.12 (0.89 to 1.40)
   Thiazides or spironolactone 4.4 7.0 1.08 (0.82 to 1.43)
   Alcohol consumption (> 2 units/day) 0 13.7 1.27 (1.15 to 1.40)*
Other    
   Depression 4.6 9.0 1.11 (0.88 to 1.39)
   Central nervous system problems 0 3.9 1.23 (1.13 to 1.35)*
   Prostatic disease 0 8.4 1.24 (1.13 to 1.36)*
   Hormonal (hypogonadism, hyperprolactinaemia) 0 2.8 1.23 (1.11 to 1.36)
Number of comorbidities per patient    
   At least one comorbidity 52.2 61.5 1.07 (0.90 to 1.28)
   At least two comorbidities 13.0 36.5 1.21 (1.05 to 1.40)*
   At least three comorbidities 4.4 14.4 1.17 (1.00 to 1.34)*
   At least four comorbidities 0 5.8 1.23 (1.13 to 1.35)*
   At least five comorbidities 0 1 1.22 (1.13 to 1.33)*
  1. Data presented as median (interquartile range) or percentage. The star (*) denotes statistical significance.