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Respiratory frequency across behaviors and the lifespan in mice
| Young |
Old |
|||
|---|---|---|---|---|
| Male* | Female | Male* | Female | |
| Eupnea | 144 ± 10 | 132 ± 10 | 155 ± 8 | 151 ± 9 |
| Hypoxia/hypercapnia | 168 ± 12 | 139 ± 9 | 166 ± 15 | 151 ± 9 |
Values are means±SE (n = 9/group). Data analyzed by 3-way ANOVA; main effect of age P = 0.094; main effect of sex P = 0.048; main effect of behavior P = 0.139; interaction P = 0.592.
Significantly different from female mice.
