. Author manuscript; available in PMC: 2015 Jan 20.

Published in final edited form as: Obesity (Silver Spring). 2009 Feb 26;17(7):1332–1339. doi: 10.1038/oby.2009.2

Table 2.

Nitrogen balance of older women before and after body mass loss with or without resistance training

Parameter	Group^a	Baseline	Week RT7	Week RT11	Week RT13
Dietary nitrogen intake, g N/day	SED	12.1 ± 0.4	12.0 ± 0.4	11.8 ± 0.4	11.8 ± 0.4
Dietary nitrogen intake, g N/day	RT	13.4 ± 0.6	13.4 ± 0.6	13.6 ± 0.5	13.9 ± 0.4
Urinary nitrogen excretion, g N/day	SED	9.2 ± 0.5	9.2 ± 0.5	8.7 ± 0.6	9.2 ± 0.4
Urinary nitrogen excretion, g N/day	RT	9.1 ± 0.6	9.0 ± 0.7	9.6 ± 1.0	9.1 ± 0.6
Fecal nitrogen excretion, g N/day	SED	0.9 ± 0.1	0.9 ± 0.1	0.9 ± 0.1	0.9 ± 0.1
Fecal nitrogen excretion, g N/day	RT	1.3 ± 0.2	1.3 ± 0.2	1.3 ± 0.2	1.3 ± 0.2
Nitrogen balance, g N/day	SED	1.7 ± 0.4	1.6 ± 0.5	1.8 ± 0.6	1.4 ± 0.6
Nitrogen balance, g N/day	RT	2.6 ± 0.4	2.7 ± 1.0	2.4 ± 1.2	3.2 ± 0.7

Values are mean ± s.e.m.

RT, resistance training (n = 8); SED, sedentary (n = 7, data from one subject excluded due to inadvertent loss of urine samples at baseline).