Table 1. Demographics of unrelated probands with extreme HDLc.

Measure	HDLc percentile
	≥90th	≤10th
Total assessed	171	136
Age (y)a	53.6 (14.1)	51.8 (14.2)
Male individualsb	85 (49.7%)	88 (64.7%)
Total cholesterol (mmol/L)a	5.94 (1.06)	4.48 (1.36)
Triglycerides (mmol/L)a	0.88 (0.44)	1.68 (1.01)
HDLc (mmol/L)c	2.23 (2.16–2.31)	0.71 (0.68–0.71)
LDLc (mmol/L)a	3.30 (0.92)	3.01 (1.23)
BMI (kg/m2)a	24.0 (3.1)	27.0 (4.6)

^a, Average (SD);

^b, N (%);

^c, Average (95% confidence interval).