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Table 2 Findings from the 13 clinical trials (17 patient groups) included in this meta-analysis

From: Difference in blood pressure response to ACE-Inhibitor monotherapy between black and white adults with arterial hypertension: a meta-analysis of 13 clinical trials

   Decrement in blood pressure with drug treatment (mm Hg)
   Systolic Diastolic
Trial Standardized mean dose (mg/d) White mean Black mean White-black difference White SD Black SD White mean Black mean White-black difference White SD Black SD
1 20 14.7 9.1 5.6 15.6 14.7 10.7 7.9 2.8 7.8 8.6
2 20 10.8 0.7 10.1 16.4 3.6 9 4.1 4.9 9.1 11.6
3 5 * * * * * 8 1.5 6.5 15.1 11.7
4a 16 11 8 3 9 11 10 9 1 7 7
4b 16 11 7 4 9 12 11 7 4 5 7
5a 10 12.8 2.7 10.1 15 13.9 6.1 2 4.1 4.3 4.8
5b 20 9.6 2.5 7.1 15 13.1 8.1 3.8 4.3 5.1 5.2
5c 40 9.1 11.9 -2.8 13.8 13.4 8.9 6.5 2.4 4.4 5.3
6 20 * * * * * 11.8 6.2 5.6 7.8 10
7 24 14.1 7.8 6.3 10.2 14.4 10.2 6.2 4 6.2 11.5
8a 20 13.4 8.5 4.9 16.3 12.9 9.8 7.3 2.5 8.1 7.5
8b 40 16.8 12.3 4.5 18.5 20 12 10.1 1.9 8.5 11.3
9 30 5.9 9.2 -3.3 13.7 11.9 2.2 3.1 - 0.9 8.1 11.7
10 18 18.2 14.3 3.9 16.3 17.3 10.6 9 1.6 9.6 10.5
11 * 15.3 10.6 4.7 12.2 13.4 9.8 7.4 2.4 7.8 7.8
12 40 11 5 6 14.2 15.3 7 3 4 7.8 8.7
13 15 9.5 0.9 8.6 15.8 19.9 * * * * *
  1. SD indicates standard deviation. *Results not reported.