Table 4.

Changes in thigh and arm cross sectional area (cm³) for placebo (n = 12) and betaine (n = 11) between pre- and post-treatment

	Pre	Post	∆	P
Thigh CSA
Betaine	85.0 ± 12.2	87.7 ± 12.2	2.7 ± 4.2	.254
Placebo	87.6 ± 17.7	89.0 ± 13.9	2.3 ± 10	.254
Arm CSA
Betaine	49.5 ± 8.7	54.1 ± 6.6	4.6 ± 4.3	.01
Placebo	53.4 ± 10.2	53.5 ± 11.2	-.1 ± 5	.98