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Table 1 Height, systolic and diastolic blood pressure according to sex and age (mean ± s.d.)1

From: Blood pressure tables for Chinese adolescents: justification for incorporation of important influencing factors of height, age and sex in the tables

Age N Height p value$ SBP p value$ DBP p value$
Boys Girls Boys Girls Boys Girls Boys Girls
12 1022 1304 154.4 ± 8.2 153.8 ± 6.1 0.052 99.7 ± 8.3 98.2 ± 8.0 <0.001 64.2 ± 5.3 63.9 ± 5.5 0.233
13 1690 1965 161.0 ± 8.1 156.5 ± 5.6 <0.001 102.1 ± 9.2 99.0 ± 8.1 <0.001 65.4 ± 6.1 64.4 ± 5.6 <0.001
14 2717 3039 165.6 ± 7.0 157.8 ± 5.3 <0.001 104.6 ± 9.5 99.7 ± 8.3 <0.001 66.7 ± 6.4 65.1 ± 6.0 <0.001
15 3233 3823 168.8 ± 6.3 158.6 ± 5.4 <0.001 107.4 ± 9.4 100.7 ± 8.4 <0.001 68.2 ± 6.6 65.7 ± 6.1 <0.001
16 3491 4274 170.2 ± 6.0 158.8 ± 5.4 <0.001 109.6 ± 9.8 101.1 ± 8.4 <0.001 69.4 ± 6.8 65.9 ± 6.1 <0.001
17 2846 2817 170.7 ± 6.1 159.0 ± 5.4 <0.001 110.5 ± 9.7 102.2 ± 8.8 <0.001 70.0 ± 6.9 66.3 ± 6.1 <0.001
  1. 1Abbreviations are as follows: SBP systolic blood pressure; DBP diastolic blood pressure.
  2. P > 0.05, vs. 15 years group.
  3. $ T-test.