Table 2.

Cross-Classifi cation of Daytime and Nighttime Systolic and Diastolic Blood Pressures Versus Levels of Corresponding Conventional Blood Pressures in Untreated Diabetic Subjects With Masked Hypertension

	n	Daytime SBP	Nighttime SBP
Conventional SBP
<120	8	140.0±7.2	118.0±17.2
120–124	7	142.1±11.2	118.9±14.2
125–129	17	139.6±8.5	116.9±11.1
130–134	15	139.4±7.0	116.6±11.5
135–139	20	145.1±10.4	127.3±16.2
ALL	67	141.5±9.1	120.3±14.3
Conventional DBP
<70	14	81.5±5.1	65.4±6.0
70–74	16	83.2±8.4	67.8±7.2
75–79	10	84.2±7.8	70.3±10.5
80–84	16	84.9±5.4	69.8±6.5
85–89	11	85.2±5.5	70.4±8.9
ALL	67	83.7±6.5	68.6±7.7
Daytime SBP
<135	9	118.9±12.4	127.3±7.6
135–139	31	114.3±12.4	128.2±7.7
140–144	10	119.8±6.5	129.4±7.9
≥145	17	132.3±15.1	131.8±8.8
ALL	67	120.3±14.3	129.2±8.0
Daytime DBP
<80	19	65.6±6.4	73.1±7.0
80–84	20	67.0±8.5	78.0±8.4
85–89	18	70.6±5.6	76.1±6.5
≥90	10	73.9±8.7	77.6±6.2
ALL	67	68.6±7.3	76.0±7.3

DBP indicates diastolic blood pressure; and SBP, systolic blood pressure.