1st week | 2nd week | 3rd week | 4th week | 5th week | 6th week | ||
---|---|---|---|---|---|---|---|
Linear HRV parameters | |||||||
Mean HR (1/min) | Control | 386 ± 25 | 411 ± 57 | 411 ± 6 | 377 ± 21 | 375 ± 18 | 378 ± 25 |
CIA | 458 ± 35* | 438 ± 31* | 471 ± 31* | 493 ± 4* | 383 ± 21 | 380 ± 28 | |
SDNN(ms) | Control | 4.53 ± 2.5 | 6.08 ± 3.4 | 3.9 ± 0.9 | 3.55 ± 1.3 | 3.89 ± 1.4 | 3.21 ± 1.3 |
CIA | 8.23 ± 1.6* | 12.28 ± 4.3* | 5.82 ± 2.7* | 4.31 ± 1.0 | 5.26 ± 3.4 | 3.21 ± 1.3 | |
RMSSD(ms) | Control | 3.03 ± 0.8 | 3.35 ± 1.4 | 2.37 ± 0.2 | 2.72 ± 0.5 | 2.81 ± 0.5 | 2.62 ± 0.5 |
CIA | 3.37 ± 0.7 | 3.13 ± 0.5 | 2.73 ± 0.6 | 2.4 ± 0.1 | 2.44 ± 0.2 | 2.41 ± 0.1 | |
LF(n.u) | Control | 61.71 ± 9.3 | 60.02 ± 7.2 | 62.73 ± 11.1 | 60.29 ± 8.5 | 61.59 ± 7.9 | 59.01 ± 9.3 |
CIA | 69.48 ± 5.7* | 68.41 ± 5.1* | 68.78 ± 10.1* | 57.89 ± 12.7 | 52.13 ± 16.1 | 49.73 ± 16.3 | |
HF(n.u) | Control | 38.01 ± 9.1 | 39.85 ± 7.2 | 37.13 ± 11 | 39.38 ± 8.4 | 38.11 ± 7.9 | 40.66 ± 9.1 |
CIA | 30.34 ± 5.6* | 31.46 ± 5.0* | 40.93 ± 10.1 | 41.77 ± 12.6 | 47.46 ± 15.9 | 49.94 ± 16.2 | |
LF/HF | Control | 1.76 ± 0.6 | 1.58 ± 0.5 | 1.9 ± 0.9 | 1.65 ± 0.6 | 1.73 ± 0.6 | 1.56 ± 0.6 |
CIA | 2.41 ± 0.7* | 2.24 ± 0.5* | 1.68 ± 0.4 | 1.60 ± 0.8 | 1.31 ± 0.7 | 1.2 ± 0.8 | |
Non-linear HRV parameters | |||||||
DFA:α1 | Control | 0.62 ± 0.2 | 0.74 ± 0.3 | 0.69 ± 0.1 | 0.47 ± 0.1 | 0.49 ± 0.1 | 0.51 ± 0.1 |
CIA | 0.88 ± 0.2* | 0.82 ± 0.2* | 0.7 ± 0.3 | 0.43 ± 0.1 | 0.53 ± 0.1 | 0.52 ± 0.1 | |
DFA:α2 | Control | 0.71 ± 0.4 | 1.09 ± 0.3 | 0.84 ± 0.1 | 0.79 ± 0.3 | 0.65 ± 0.2 | 0.52 ± 0.3 |
CIA | 1.12 ± 0.1+ | 1.24 ± 0.1* | 0.81 ± 0.1 | 0.78 ± 0.1 | 0.62 ± 0.3 | 0.51 ± 0.3 | |
DC(ms) | Control | 13.7 ± 2.7 | 11.1 ± 3.8 | 9.2 ± 0.7 | 9.6 ± 2.9 | 8.2 ± 1.4 | 8.5 ± 3.5 |
CIA | 9.5 ± 2.4* | 9.8 ± 2.6* | 7.5 ± 2.8* | 6.9 ± 1.1* | 6.9 ± 1.6* | 7.3 ± 2.2* | |
AC(ms) | Control | –10.6 ± 2.4 | –8.1 ± 6.3 | –5.2 ± 0.4 | –7.3 ± 2.7 | –6.1 ± 1.4 | –6.3 ± 3.1 |
CIA | –7.1 ± 2.6* | –7.7 ± 2.0 | –4.1 ± 3.1 | –4.8 ± 0.9* | –5.7 ± 1.7 | –5.2 ± 1.8 |