Table 2

Comorbidities of the participants

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)*

Data presented as median (interquartile range) or percentage. The star (*) denotes statistical significance.

Foocharoen et al. Arthritis Research & Therapy 2012 14:R37   doi:10.1186/ar3748