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

Table 2 Systolic and diastolic blood pressure of students in each age group after matched by height (mean ± s.d.)¹

Age	N		SBP		p value&	DBP		p value&
Age	Boys	Girls	Boys	Girls	p value&	Boys	Girls	p value&
12	887	887	99.4 ± 8.1	98.1 ± 8.0	<0.001	64.1 ± 5.2	63.8 ± 5.7	0.298
13	1181	1181	101.0 ± 8.8	99.2 ± 8.2	<0.001	64.7 ± 5.8	64.6 ± 5.6	0.532
14	1402	1402	103.3 ± 9.3	100.2 ± 8.4	<0.001	66.0 ± 6.4	65.5 ± 6.1	0.041
15	1316	1316	106.0 ± 9.3	101.1 ± 8.3	<0.001	67.5 ± 6.5	65.8 ± 6.0	<0.001
16	1193	1193	108.7 ± 9.8	101.4 ± 8.8	<0.001	68.7 ± 6.7	65.9 ± 6.0	<0.001
17	836	836	110.3 ± 9.8	103.0 ± 9.3	<0.001	69.8 ± 7.0	66.7 ± 6.1	<0.001

¹Abbreviations are as follows: SBP systolic blood pressure; DBP diastolic blood pressure.
^&Paired T-test.

ISSN: 1471-2431