Table 1.

Subject selection requirements.

Blood pressure classification	Systolic blood pressure (mmHg)		Diastolic blood pressure (mmHg)	Subjects in Dev. set	Subjects in the test set
Normal	< 120	and	< 80	5	≥ 16
Prehypertension	120–139	or	80–89	5	≥ 16
Stage 1 hypertension	140–160	or	90–100	5	≥ 16
Stage 2 hypertension	≥ 160	or	≥ 100	5	≥ 16
Gender: At least 26 males and 26 females