Table 2.

Single and multiple predialysis BPs and their differences from ambulatory BP

Characteristic	Systolic BP			Difference from Ambulatory
	Baseline	Change at 4 wk from Baseline	Change at 8 wk from Baseline	Baseline	Change at 4 wk from Baseline	Change at 8 wk from Baseline
Predialysis single
control	156.6	−2.7	−5.8	11.2a	0.6	1.7
control, 95% CI	150.0 to 163.3	−10.4 to 5.0	−14.2 to 2.5	5.1 to 17.3	−6.4 to 7.5	−5.8 to 9.3
ultrafiltration	158.6	−7.0b	−8.2c	13.3a	3.4	4.9
ultrafiltration, 95% CI	153.6 to 163.5	−12.7 to −1.3	−14.2 to −2.1	8.8 to 17.8	−1.7 to 8.5	−0.6 to 10.4
difference between groups (ultrafiltration versus control)	1.9	−4.2	−2.3	2.2	2.8	3.2
difference between groups 95% CI	−6.4 to 10.2	−13.8 to 5.3	−12.7 to 8.0	−5.4 to 9.7	−5.8 to 11.5	−6.1 to 12.5
P value of difference between groups	0.7	0.4	0.7	0.6	0.5	0.5
Predialysis multiple
control	158.9	−1.6	−3.8	12.9a	1.9	2.6
control, 95% CI	154.3 to 163.6	−5.9 to 2.7	−8.2 to 0.6	8.5 to 17.4	−2.9 to 6.6	−2.2 to 7.4
ultrafiltration	160.7	−9.0a	−10.3a	15.2a	1.4	3.4
ultrafiltration, 95% CI	157.4 to 164.0	−12.1 to −5.8	−13.5 to −7.1	12.0 to 18.4	−2.0 to 4.9	−0.1 to 6.8
difference between groups (ultrafiltration versus control)	1.8	−7.4c	−6.5b	2.2	−0.4	0.7
difference between groups, 95% CI	−3.9 to 7.5	−12.7 to −2.0	−11.9 to −1.0	−3.3 to 7.7	−6.3 to 5.4	−5.2 to 6.7
P value of difference between groups	0.5	0.007	0.02	0.4	0.9	0.8

^aP < 0.001.

^b0.01 < P < 0.05.

^c0.001 < P < 0.01.