Table 5. Characteristics of the Indigenous Australians in the cohort stratified by whether the patient identified as an Aboriginal Australian or a Torres Strait Islander Australian.

Variable	Aboriginal Australian n = 347	Torres Strait Islander Australian n = 205	p
Age at the end of the study	36 (23–51)	31 (23–45)	0.054
Age at RHD diagnosis	30 (19–46)	24 (16–39)	0.005
Female	233 (67.2%)	141 (68.8%)	0.69
Rural/remote residence	165 (47.6%)	124 (60.5%)	0.003
Severe disease	90 (25.9%)	41 (20%)	0.11
Hospitalisations/person	6 (3–12)	4 (2–8)	0.0001
RHD-related hospitalisations	0 (0–1)	0 (0–1)	0.36
Valve surgery or valvuloplasty	56 (16.1%)	26 (12.7%)	0.27
Died	17 (4.9%)	13 (6.3%)	0.47
Age at death	57 (37–68)	51 (29–69)	0.59
Adherence	39% (23–56)	42% (25–61)	0.24
Good adherence	35/149 (23.5%)	24/90 (26.7%)	0.58
Number of echocardiograms	6 (3–9)	5 (3–7)	0.0007
RHD progression on serial echocardiograms	87/328 (26.5%)	24/181 (13.3%)	0.001
Specialist review	329 (94.8%)	188 (91.7%)	0.15
Dental revie	105 (30.3%)	60 (29.3%)	0.81
SEIFA score of residential address	870 (713–960)	836 (836–967)	0.17

All numbers are median (interquartile range) or the absolute number (%)