Characteristics of patients with apparent treatment-resistant hypertension (n = 646)
| Mean age (SD), years | 71.1 (12.2) |
| Sex — female, n (%) | 299 (46.3) |
| PCRS eligibility, n (%) | 528 (81.7) |
| Diabetes, n (%) | 237 (36.7) |
| Chronic kidney disease, n (%) | 256 (40.0) |
| Cardiac failure, n (%) | 88 (13.6) |
| Mean systolic clinic BP (SD), mmHg | 142.1 (18.0) |
| Mean diastolic clinic BP (SD), mmHg | 78.1 (11.9) |
| Have ever had an ABPM, n (%) | 276 (42.7) |
| Elevated ABPM (past 6 months, n= 74) | |
| Mean daytime systolic ABPM (SD), mmHg | 147.9 (21.5) |
| Mean daytime diastolic ABPM (SD), mmHg | 81.4 (14.8) |
ABPM = ambulatory blood pressure measurement. BP = blood pressure. PCRS = primary care reimbursement service. SD = standard deviation.