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Table 3 Systolic and diastolic blood pressure of students in each sex after matched by height (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

Sex Age p value**
12 13 14 15 16 17
Boys SBP 102.5 + 8.5 103.8 + 8.8 104.2 + 9.3 106.1 + 9.3 108.7 + 9.8 110.4 + 9.7 <0.001
DBP 65.3 + 5.7 66.0 + 6.3 66.5 + 6.6 67.3 + 6.7 68.9 + 6.3 69.4 + 6.7 <0.001
N 361 361 361 361 361 361  
Girls SBP 98.6 + 8.1 98.9 + 8.1 99.3 + 8.1 100.5 + 8.2 100.9 + 8.4 101.4 + 8.8 <0.001
DBP 64.1 + 5.6 64.3 + 5.6 64.8 + 5.8 65.3 + 5.7 65.9 + 6.3 66.0 + 6.0 <0.001
N 1061 1061 1061 1061 1061 1061  
  1. 1Abbreviations are as follows: SBP systolic blood pressure; DBP diastolic blood pressure.
  2. P > 0.05, vs. 12 years group; P > 0.05, vs. 13 years group; P > 0.05, vs. 14 years group; P > 0.05, vs. 15 years group; P > 0.05, vs. 16 years group.
  3. **Two-way analysis of variance.