Table 3.
Time Taken to Initiate and Reach Peak Cardiovascular Responses Following Tone Onset
| Young Males | Young Females | Older Males | Older Females | P value |
|||
|---|---|---|---|---|---|---|---|
| Age | Gender | Age x Gender | |||||
| Time to initiate response (s) | |||||||
| Mean BP | 0.8 ± 0.1 | 0.45 ± 0.1 | 1.5 ± 0.1 | 1.5 ± 0.2 | <0.001 | 0.3 | 0.2 |
| RR Interval | 0.1 ± 0.09 | 0.05 ± 0.05 | 1.7 ± 0.7 | 0.6 ± 0.2 | 0.009 | 0.1 | 0.2 |
| Time to reach peak response (s) | |||||||
| Mean BP | 4.5 ± 1.2 | 5.1 ± 1.1 | 5.6 ± 0.8 | 5.8 ± 1.4 | 0.02 | 0.3 | 0.6 |
| RR Interval | 3.8 ± 1.5 | 3.1 ± 1.1 | 5.3 ± 1.4 | 5.0 ± 1.5 | <0.001 | 0.3 | 0.6 |
Values are mean ± SEM. BP, blood pressure.