Validation of four automatic devices for self-measurement of blood pressure according to the International Protocol: The Pic Indolor Personal Check, Comfort Check, My Check and Travel Check

Figures & data

Table I. Results of the Pic Indolor Personal Check device.

Phase 1		≤5 mmHg	≤10 mmHg	≤15 mmHg	Recomm.
Required	One of	25	35	40
Achieved	SBP	37	45	45	Continue
	DBP	33	42	45	Continue
Phase 2.1		≤5 mmHg	≤10 mmHg	≤15 mmHg	Recomm.	Mean diff.	SD
Required	Two of	65	80	95
	All of	60	75	90
Achieved	SBP	91	99	99	Pass	0.1	2.9
	DBP	87	96	99	Pass	–0.1	3.8
Phase 2.2		2/3 ≤5 mmHg	0/3 ≤5 mmHg		Recomm.
Required		≥22	≤3
Achieved	SBP	32	0		Pass
	DBP	29	2		Pass

Recomm., recommendation; Mean diff., mean difference (mmHg); SD, standard deviation (mmHg); SBP, systolic blood pressure; DBP, diastolic blood pressure.

Figure 1. Plots of BP difference between the Pic Indolor Personal Check readings and the mean of the two observer readings in 33 participants (n=99). Systolic (A) and diastolic (B).

Table II. Results of the Pic Indolor Comfort Check device.

Phase 1		≤5 mmHg	≤10 mmHg	≤15 mmHg	Recomm.
Required	One of	25	35	40
Achieved	SBP	33	44	44	Continue
	DBP	37	44	45	Continue
Phase 2.1		≤5 mmHg	≤10 mmHg	≤15 mmHg	Recomm.	Mean diff.	SD
Required	Two of	65	80	95
	All of	60	75	90
Achieved	SBP	87	98	98	Pass	–1.0	3.7
	DBP	91	98	99	Pass	0.2	3.2
Phase 2.2		2/3≤5mmHg	0/3≤5 mmHg		Recomm.
Required		≥22	≤3
Achieved	SBP	31	0		Pass
	DBP	31	0		Pass

Recomm., recommendation; Mean diff., mean difference (mmHg); SD, standard deviation (mmHg); SBP, systolic blood pressure; DBP, diastolic blood pressure.

Figure 2. Plots of BP difference between the Pic Indolor Comfort Check readings and the mean of the two observer readings in 33 participants (n=99). Systolic (A) and diastolic (B).

Table III. Results of the Pic Indolor My Check device.

Phase 1		≤5 mmHg	≤10 mmHg	≤15 mmHg	Recomm.
Required	One of	25	35	40
Achieved	SBP	32	42	43	Continue
	DBP	26	40	45	Continue
Phase 2.1		≤5 mmHg	≤10 mmHg	≤15 mmHg	Recomm.	Mean diff.	SD
Required	Two of	65	80	95
	All of	60	75	90
Achieved	SBP	86	96	97	Pass	–0.6	4.5
	DBP	80	94	99	Pass	1.5	4.3
Phase 2.2		2/3≤5 mmHg	0/3≤5 mmHg		Recomm.
Required		≥22	≤3
Achieved	SBP	31	0	Pass
	DBP	28	2	Pass

Recomm., recommendation; Mean diff., mean difference (mmHg); SD, standard deviation (mmHg); SBP, systolic blood pressure; DBP, diastolic blood pressure.

Figure 3. Plots of BP difference between the Pic Indolor My Check readings and the mean of the two observer readings in 33 participants (n=99). Systolic (A) and diastolic (B).

Table IV. Results of the Pic Indolor Travel Check device.

Phase 1		≤5 mmHg	≤10 mmHg	≤15 mmHg	Recomm.
Required	One of	25	35	40
Achieved	SBP	43	45	45	Continue
	DBP	45	45	45	Continue
Phase 2.1		≤5 mmHg	≤10 mmHg	≤15 mmHg	Recomm.	Mean diff.	SD
Required	Two of	65	80	95
	All of	60	75	90
Achieved	SBP	97	99	99	Pass	–0.1	2.0
	DBP	99	99	99	Pass	0.6	1.7
Phase 2.2		2/3<5mmHg	0/3 ≤5 mmHg		Recomm.
Required		>22	≤3
Achieved	SBP	32	0		Pass
	DBP	33	0		Pass

Recomm., recommendation; Mean diff., mean difference (mmHg); SD, standard deviation (mmHg); SBP, systolic blood pressure; DBP, diastolic blood pressure.

Figure 4. Plots of BP difference between the Pic Indolor Travel Check readings and the mean of the two observer readings in 33 participants (n=99). Systolic (A) and diastolic (B).