Table 1.

Summary of RAAS peptide analysis in the normotensive Afro-Caribbean population.

Variable	All subjects	Females	Males	Sex differences p value
Plasma renin activity, ng/mL/h	0.66 ± 0.53	0.67 ± 0.62	0.65 ± 0.43	0.874
Plasma angiotensin II, pg/mL	116.16 ± 148.33	146.20 ± 203.32	86.11 ± 43.85	0.204
Plasma angiotensin-(1-7), pg/mL	68.77 ± 55.40	75.60 ± 62.43	61.94 ± 47.91	0.431
Urinary angiotensin II, pg/mL	80.45 ± 62.28	79.77 ± 58.95	81.16 ± 66.77	0.938
Urinary angiotensin-(1-7), pg/mL	163.38 ± 50.58	179.82 ± 45.28	146.29 ± 50.98	0.016
Urinary creatinine, mg/dL	288.02 ± 72.26	312.14 ± 61.72	262.94 ± 74.99	0.013
Urinary sodium, nmol/L	174.08 ± 30.76	171.46 ± 21.44	176.80 ± 38.43	0.541
Urinary potassium, nmol/L	65.61 ± 25.06	63.00 ± 8.82	68.32 ± 34.82	0.454

RAAS: renin angiotensin aldosterone system.