Table 3.

Blood pressure and age

Age	BP recorded		BP not recorded
	n	%	n	%
1 month–1 year (n=95)	15	15.8	80	84.2
2–5 years (n=85)	19	22.4	66	77
6–12 years (n=24)	10	41.7	14	58.3
13–17 years (n=14)	13	92.9	1	7.1

Tendency test: P<0.0001. BP blood pressure