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. 2022 Oct 17;66(2):54–65. doi: 10.3345/cep.2022.00472

Fig. 2.

Fig. 2.

Comparison of TEE, BMR, PAL, and FFM in normal-weight males and females aged 1–18 years. (A) TEE increased with age over 1–18 years. The TEE of males was slightly higher than that of females. (B) BMR increased with age over 1–18 years. (C) TEE increased with weight. (D) FFM increased in childhood and puberty. There was no sex-based difference in FFM in childhood. The FFM increased more during puberty in males than in females. (E) TEE increases with FFM for both males and females. (F) BMR also increased with FFM for both sexes. (G) No sex-based difference in PAL was noted for participants aged 1–18 years. (H) The PAEE increased more for males than females. TEE, total energy expenditure; FFM, fat-free mass; BMR, basal metabolic rate; PAEE, physical activity energy expenditure; PAL, physical activity level.