Table 1. Descriptive data of the patients and the controls.

Descriptive data	Number of patients (n = 70)	Number of controls (n = 70)
Age (years)Φ	31.8 (12.2)	32.7 (11.9)
Height (cm)Φ	158.7 (7.5)	158.7 (10.6)
Weight (kg)Φ	54.9 (10.8)	54.7 (9.4)
Alcohol consumption
No	36	41
Yes - occasional	18	5
Yes - regular	16	24
Smoking
No	40	43
Yes - occasional	5	2
Yes - regular	25	25

^ΦValues are mean (SD).