Table 4

Adverse Effects After 6 Weeks of Treatment

Outcome^a	Placebo	Nifedipine	Mean Difference (95% CI)	P Value
Systolic blood pressure, mean, mm Hg	147.1	134.5	−13.1 (−24.1 to −2.01)	.02
Headache score, mean, mm^a	2.2	6.9	4.7 (−0.8 to 10.3)	.09
Dizziness score, mean, mm^a	1.6	4.7	3.1 (−1.0 to 7.2)	.13
Peripheral edema score, mean, mm^a	2.5	12.1	9.6 (1.1 to 18.1)	.03

↵a Assessed using 100-mm visual analogue scales where higher values indicate greater severity.