Table 5: Analyses of diastolic blood pressure.

TrialsWMD (95% CI) value

LWDHW plus sustained-release nifedipine versus sustained release nifedipine1−7.00 (−8.74, −5.26)<0.00001
LWDHW plus nifedipine controlled release tablet versus nifedipine controlled release tablet1−2.25 (−11.90, 7.40)0.65
LWDHW plus captopril versus captopril1−6.75 (−11.26, −2.24)0.003
LWDHW plus nifedipine controlled release tablet nifedipine controlled release tablet1−4.00 (−7.23, −0.77)0.02
LWDHW plus nifedipine versus nifedipine1−6.00 (−14.46, 2.46)0.16

Meta-analysis5−6.27 (−7.69, −4.86)<0.00001