Table 3.

V_E measured during exposure to room air and hypoxia.

Day	O2 level	Saline group (VE ml/min/g)	Leptin group (VE ml/min/g)
0 day	Air	469 ± 41	451 ± 21
	10%O2	810 ± 24	819 ± 26
7th day	Air	479 ± 26	470 ± 36
	10%O2	819 ± 44	1117 ± 97**
14th day	Air	463 ± 17	481 ± 32
	10%O2	819 ± 32	1036 ± 88**
21st day	Air	468 ± 36	438 ± 24
	10%O2	771 ± 75	914 ± 48

V_E, minute ventilation, n = 8 for each group,

^**P < 0.01 by two-way ANOVA with Bonferroni post-hoc test, vs. Saline.