Table 1B.

Demographic Characteristics and Mode of Presentation (Children vs. Adults)

Characteristic	All (n=833)	Child (0–18 yrs) (n=203)	Adult (≥19 yrs) (n=630)	p-value
Age at diagnosis (years)	35.1 ± 18.6	12.2 ± 4.7	42.6 ± 15.0	n/a
Female Gender	425 (51%)	101 (50%)	321 (51%)	0.687
Ethnicity				0.014
Asian / Pacific Islander	113 (14%)	31 (16%)	82 (13%)
Black / African-American	11 (5%)	11 (5%)	42 (7%)
Hispanic	224 (27%)	71 (35%)	153 (24%)
Native American	9 (1%)	1 (<1%)	8 (1%)
Non-Hispanic Caucasian	431 (52%)	88 (43%)	343 (54%)
Hemorrhagic presentation	375 (45%)	119 (59%)	256 (41%)	<0.001
HHT diagnosis	12 (1%)	4 (2%)	8 (1%)	0.500

Table entries are n (%) or mean ± sd. P-values are from Fisher’s exact test.

HHT = hereditary telangiectasia syndrome