Table 1 Coarse graining spectral analysis (CGSA) of heart rate variability in finisher and non-finisher astronauts.
| Â | Main effects | Group | Pre-flight | Landing day | 3 days post-flight | Inter-actions | |||
|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Supine | Stand | Supine | Stand | Supine | Stand | Â |
subjects | Â | F | 21 | 21 | 21 | 21 | 21 | 21 | Â |
| Â | Â | NF | 8 | 8 | 8 | 6 | 8 | 8 | Â |
RRI (ms) | * †| F | 1146(34) | 846(22) | 1020(27) | 692(21) | 1085(36) | 806(23) |  |
| Â | Â | NF | 1140(80) | 807(38) | 1040(81) | 705(84) | 1104(96) | 768(36) | Â |
PTOT (ms2) | * | F | 2299(486) | 1292(271) | 2672(276) | 687(129) | 2816(587) | 877(105) | Â |
| Â | Â | NF | 1564(320) | 953(266) | 2632(453) | 3326(293) | 3433(1195) | 853(182) | Â |
PHI (ms2) | * | F | 417(25) | 9(2) | 151(51) | 4(1) | 212(46) | 19(55) | Â |
| Â | Â | NF | 349(87) | 32(18) | 316(194) | 49(48) | 440(123) | 45(94) | Â |
PHI/PTOT | * # †| F | 0.14(0.02) | 0.01(0.01) | 0.09(0.02) | 0.01(0.01) | 0.08(0.02) | 0.01(0.01) | a, b |
| Â | Â | NF | 0.25(0.06) | 0.05(0.03) | 0.10(0.03) | 0.01(0.01) | 0.15(0.05) | 0.05(0.03) | Â |
PLO (ms2) | Â | F | 134(37) | 321(74) | 222(74) | 194(44) | 220(63) | 199(45) | a |
| Â | Â | NF | 92(51) | 171(55) | 201(101) | 60(11) | 334(124) | 100(21) | Â |
(PLO/PHI)1/2 | * # | F | 0.80(0.15) | 7.20(0.90) | 2.30(0.62) | 8.05(1.06) | 4.8(1.22) | 8.07(0.96) | Â |
| Â | Â | NF | 0.51(0.32) | 3.98(1.18) | 0.94(0.28) | 4.75(1.89) | 0.07(0.33) | 3.45(1.00) | Â |
PLO/PTOT | * | F | 0.08(0.02) | 0.23(0.03) | 0.10(0.03) | 0.26(0.03) | 0.09(0.04) | 0.19(0.03) | b, d |
| Â | Â | NF | 0.04(0.01) | 0.17(0.05) | 0.10(0.03) | 0.11(0.03) | 0.10(0.05) | 0.13(0.03) | Â |