Table 2.

Studies evaluating effect of different BP measurement protocols

Author	Population	Protocol 1		Protocol 2		Notes
		Method	BP	Method	BP
A. Studies comparing specific components of BP measurement protocols
Mourad et al.29	Normotensive	Arm dependent	113/72	Arm horizontal	103/62	Similar results observed for ambulatory BP monitoring
	Hypertensive	Arm dependent	163/88	Arm horizontal	145/79
Webster et al.30	Hypertensive	Arm dependent	158/104	Arm horizontal	140/90
Adiyaman et al.31	Hypertensive	Legs crossed	147/88	Legs uncrossed	140/86
	Patients with diabetes	Legs crossed	138/76	Legs uncrossed	130/74
Fonseca-Reyes et al.32	Large arm circumference	Standard cuff	125/80	Large cuff	118/74	Prevalence of large arm circumference >40% in family medicine and hypertension clinics
B. Studies comparing “routine” and guideline-adherent BP measurement protocols
Myers et al.33	Hypertensive	“Routine” office	146/87	“Research RN”	137/78	Routine office BP was average over prior 3 mo
Graves et al.34	Hypertensive	“Routine” office	152/84	AHA method	138/74	Routine office BP at time of referral for ABPM
Brown et al.35	Hypertensive	“Routine” office	161/95	Formally trained RNs	152/85	Routine office BP at time of referral for ABPM
Ray et al.36	Hypertensive	“Routine” office	133/78	AHA method	134/80	Random order; 93% of patients results differed by ≥5 mm Hg SBP or ≥2 mm Hg DBP
C. Studies comparing manual and automated BP measurement protocols
Campbell et al.37	Firefighters	BpTRU	120/76	Standardized	122/78	Random order of measurement
Edwards et al.38	Hypertensive	BpTRU	136/74	Standardized	144/77	Retrospective; standardized BP before BpTRU in all patients
Myers et al.39	Adults	BpTRU	115/71	Standardized	118/74	Random order of measurement
Filipovský et al.40	Hypertensive	BpTRU	131/78	Physician	147/86	BpTRU first in all patients; no standard protocol for physician BPs

RN, registered nurse; ABPM, ambulatory blood pressure monitor; SBP, systolic blood pressure; DBP, diastolic blood pressure.