Table 1.
Descriptive values of cognitive performance, heart rate variability (HRV), and fitness.
| Mean (±SD) | Median | Minimum | Maximum | |
|---|---|---|---|---|
| HRV | ||||
| Mean HR | 78.18 (9.12) | 77.50 | 59 | 98 |
| Mean RR | 777.21 (94.43) | 772 | 613 | 1018 |
| SDNN | 17.94 (16.22) | 12.55 | 7.8 | 81.5 |
| RMSSD | 21.16 (26.12) | 13.55 | 4.6 | 116.8 |
| LF (%) | 49.62 (17.31) | 53.15 | 10.10 | 77.45 |
| LF (n.u.) | 55.84 (20.13) | 58.68 | 10.14 | 92.70 |
| HF (%) | 40.01 (20.02) | 33.14 | 5.54 | 89.14 |
| HF (n.u.) | 43.82 (19.96) | 39.86 | 7.26 | 89.49 |
| Total Power | 394.29 (906.52) | 119.50 | 30 | 4781 |
| LF/HF | 2.06 (2.44) | 1.48 | 0.113 | 12.77 |
| SD1 | 14.99 (18.49) | 9.55 | 3.3 | 82.7 |
| SD2 | 19.76 (14.71) | 15.700 | 8.0 | 80.4 |
| SD1/SD2 | 1.77 (0.77) | 1.70 | 0.68 | 3.98 |
| Physical variables | ||||
| 6MWT (m) | 504.11 (78.7) | 497.5 | 350 | 675 |
| TUG (ms) | 7,371.4 (2244.9) | 6,595 | 4,970 | 15,600 |
| Strength (Kg/f) | 25.71 (8.7) | 24 | 14 | 47 |
| Flexibility (cm) | 3.8 (9.7) | 5.7 | −22 | 18 |
| Cognition | ||||
| N-back | ||||
| Hits 2-back | 49.02 (21.9) | 47.10 | 0.0 | 82.4 |
| Hits N-back | 67.75 (13.5) | 70.60 | 44.1 | 91.2 |
| Miss N-back | 16.65 (8.4) | 15.80 | 2.5 | 37.5 |
| Stroop | ||||
| latency C_A (ms) | 8,414.99 (22,329.81) | 1,100.4 | −8,838.3 | 84,365.6 |
| latency C_B (ms) | 1,538.90 (7414.47) | −69.0 | −14,215.3 | 26,546.8 |
| latency RT C_A (ms) | 98.90 (223.83) | 62.9 | −248.9 | 910.8 |
| latency RT C_B (ms) | 101.86 (243.77) | 47.6 | −110.8 | 1,109.0 |
| Cards of Wisconsin | ||||
| Miss | 31.26 (7.52) | 31.00 | 15 | 52 |
| Perseverative Miss | 9.59 (3.70) | 10.00 | 4 | 16 |