Table 1. Demographic characteristics

Characteristics	Value (N=60)
Sex, Male/Female (Frequency)	20 (33.33%)/40 (66.67%)
Age (year) (Median (IQR))	22 (21, 24)
Winter and the Pell and Gregory classifications [n (%)]
- 1A	27 (45.00)
- 1B	3 (5.00)
- 2A	23 (38.33)
- 2B	4 (6.67)
- 3A	3 (5.00)
- 3B	0 (0)