Table 6.
P2RX4 rs25644 polymorphism on baseline participant characteristics and BP and heart rate responses to static handgrip exercise, PECO and mental stress
| AA | AG + GG | P | |
|---|---|---|---|
| Baseline characteristics | |||
| Number (n) | 142 | 58 | |
| Age (years) | 21 ± 2 | 22 ± 3 | 0.001 |
| Sex (male/female) | 61/81 | 30/28 | 0.28 |
| Height (cm) | 171 ± 9 | 172 ± 9 | 0.34 |
| Weight (kg) | 68 ± 14 | 71 ± 12 | 0.24 |
| Body mass index (kg m−2) | 23 ± 3 | 24 ± 3 | 0.36 |
| Heart rate (beats min−1) | 68 ± 11 | 65 ± 10 | 0.13 |
| Systolic blood pressure (mmHg) | 104 ± 9 | 106 ± 8 | 0.47 |
| Diastolic blood pressure (mmHg) | 66 ± 7 | 66 ± 7 | 0.64 |
| Mean arterial pressure (mmHg) | 78 ± 7 | 79 ± 6 | 0.92 |
| Maximal volitional contraction (kg) | 35 ± 13 | 37 ± 11 | 0.32 |
| Static handgrip exercise | |||
| ∆ Systolic blood pressure (mmHg) | 20 ± 10 | 20 ± 10 | 0.77 |
| ∆ Diastolic blood pressure (mmHg) | 16 ± 7 | 16 ± 7 | 0.76 |
| ∆ Heart rate (beats min−1) | 14 ± 9 | 13 ± 8 | 0.71 |
| PECO | |||
| ∆ Systolic blood pressure (mmHg) | 18 ± 10 | 18 ± 11 | 0.82 |
| ∆ Diastolic blood pressure (mmHg) | 12 ± 6 | 12 ± 7 | 0.97 |
| ∆ Heart rate (beats min−1) | 0 ± 6 | 0 ± 6 | 0.74 |
| Mental stress | |||
| ∆ Systolic blood pressure (mmHg) | 14 ± 10 | 15 ± 12 | 0.25 |
| ∆ Diastolic blood pressure (mmHg) | 10 ± 6 | 10 ± 6 | 0.10 |
| ∆ Heart rate (beats min−1) | 9 ± 8 | 8 ± 10 | 0.40 |
Data are shown as mean ± SD