Table 5.

Hazard ratios for all-cause mortality associated with limited duration ambulatory blood pressure monitoring

Duration of ambulatory monitoring	Number of BPs	Mean ± SD	Systolic blood pressure			Mean ± SD	Diastolic blood pressure
			HR per 10 mm Hg	95% CI	p		HR per 5 mm Hg	95% CI	p
Interdialytic 44-hour	92±26	129.2±22.5	1.22	1.07–1.38	0.002	73.3±13.9	1.18	1.05–1.31	0.005
First 24 h post-dialysis	53±15	126.9±23.0	1.25	1.10–1.41	0.001	72.4±14.2	1.18	1.06–1.32	0.002
First 12 h post-dialysis	29±8	125.6±11.7	1.25	1.09–1.43	0.001	72.0±14.4	1.15	1.04–1.28	0.010
Second 12 h post-dialysis	26±6	128.3±24.6	1.23	1.09–1.38	0.001	72.7±15.1	1.21	1.10–1.34	<0.0001
First 6 h post-dialysis	16±5	126.0±22.4	1.23	1.08–1.41	0.002	72.9±14.3	1.14	1.03–1.26	0.014
Second 6 h post-dialysis	14±3	124.8±24.7	1.23	1.08–1.40	0.002	70.8±15.7	1.15	1.04–1.28	0.008
Third 6 h post-dialysis	12±2	126.2±24.7	1.25	1.10–1.41	<0.0001	70.4±15.0	1.22	1.10–1.35	<0.0001
Fourth 6 h post-dialysis	14±4	130.0±25.4	1.19	1.06–1.34	0.004	74.4±15.8	1.19	1.08–1.31	0.001

BPs = Blood pressure recordings; HR = hazard ratio; CI = confidence interval.