First Report of FVC and FEV1 Reference Values for Beninese Children Aged 11–16 Years

Table 1

Anthropometric characteristics and ventilatory parameters by sex and age from 11 to 16 years.

	Age	11 yrs	12 yrs	13 yrs	14 yrs	15 yrs	16 yrs
	(Girls)	𝑛=41	𝑛=44	𝑛=43	𝑛=29	𝑛=36	𝑛=17
	(Boys)	𝑛=47	𝑛=61	𝑛=42	𝑛=43	𝑛=49	𝑛=32
Height (cm)	(Girls)	144.9±6	151.4±7	151.0±7	155.8±7	155±5	157.1±6
	(Boys)	143.1±8	149.6±10	155.9±10^∗	159.5±9	162.1±9^∗∗∗	164.3±9^∗∗
BM (kg)	(Girls)	35.3±6	40.8±8	43.6±8	46.9±8	46.9±10	49.9±5
	(Boys)	33.6±6	38.5±9	42.4±9	46.3±9	47.8±8	50.1±9
BMI (kg/m²)	(Girls)	16.7±2.4	17.7±2.6	19.0±3.3^∗∗	19.9±2.9^∗∗	19.5±2.0^∗∗	20.3±2.2^∗∗
	(Boys)	16.2±2.0	17.0±2.6	17.21±2.5	18.1±2.7	18.1±2.0	18.4±2.0
FVC (L)	(Girls)	1.85±0.4	1.94±0.5	2.19±0.5	2.29±0.3	2.39±0.4	2.71±0.5
	(Boys)	2.06±0.5^∗	2.22±0.5^∗∗	2.57±0.6^∗∗	2.78±0.6^∗∗	2.99±0.7^∗∗∗	3.21±0.7^∗
FEV1 (L)	(Girls)	1.47±0.4	1.49±0.5	1.72±0.4	1.93±0.4	1.88±0.3	2.05±0.6
	(Boys)	1.59±0.4	1.74±0.5^∗∗	2.03±0.6^∗∗	2.23±0.6^∗∗	2.16±0.5^∗∗	2.20±0.6

BM: body mass; BMI: body mass index; FVC: force vital capacity; FEV₁: Force expiratory in one second. Values ​ ​are means ± SD. *Significant difference between boys and girls. *P < 0.05; **P < 0.01; ***P < 0.001.