Table 1.

Baseline characteristics of survey participants

Variable	Data (n=232)
Sex, male	76 (32.8)
Age (yr)*	44 ± 9
< 45	122 (52.6)
45–54	66 (28.4)
≥ 55	39 (16.8)
Hospital
Primary	8 (3.4)
Secondary	61 (26.3)
Tertiary	17 (7.3)
University-associated	138 (59.5)
Specialty (nephrology)	196 (84.5)
Graduation year†
Before 1989	47 (20.3)
1990–1999	74 (31.9)
After 2000	103 (44.4)

Values are presented as number (%) or mean ± standard deviation.

^*Median, 43 years; range, 29–73 years;

^†range of period, 1967–2009.