Suitability of Ultra-Short-Term Heart Rate Variability in Military Trainees
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Design
2.2. Participants
2.3. Laboratory Measures
2.3.1. Body Composition
2.3.2. Heart Rate Variability
2.4. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Variable | Mean ± SD | p | Effect Size | Typical Error | ICC (95% CI) | Bias ± 1.96 SD |
---|---|---|---|---|---|---|
RR Criterion (ms) | 966.4 ± 86.4 | - | - | - | - | - |
RR 0–1 (ms) | 968.6 ± 86.7 | 0.99 | 0.03 | 28.3 | 0.95 (0.88, 0.97) | −2.3 ± 78.4 |
RR 1–2 (ms) | 969.0 ± 86.9 | 0.99 | 0.03 | 21.0 | 0.97 (0.94, 0.99) | −2.7 ± 58.1 |
RR 2–3 (ms) | 963.6 ± 87.1 | 0.99 | −0.03 | 20.4 | 0.97 (0.94, 0.99) | 2.7 ± 56.7 |
RR 3–4 (ms) | 965.8 ± 90.0 | 0.99 | −0.01 | 21.0 | 0.97 (0.94, 0.99) | 0.5 ± 58.2 |
RR 4–5 (ms) | 962.2 ± 86.4 | 0.98 | −0.05 | 13.8 | 0.99 (0.97, 0.99) | 4.2 ± 38.3 |
RMSSD Criterion (ms) | 58.2 ± 21.5 | - | - | - | - | - |
RMSSD 0–1 (ms) | 66.1 ± 24.5 | 0.14 | 0.34 | 15.3 | 0.85 (0.64, 0.93) | −7.9 ± 30.0 |
RMSSD 1–2 (ms) | 63.7 ± 27.1 | 0.78 | 0.22 | 10.3 | 0.89 (0.77, 0.95) | −5.5 ± 28.6 |
RMSSD 2–3 (ms) | 58.8 ± 25.0 | 0.99 | 0.03 | 8.4 | 0.93 (0.86, 0.97) | −0.6 ± 23.2 |
RMSSD 3–4 (ms) | 58.5 ± 21.8 | 0.99 | 0.01 | 9.7 | 0.89 (0.77, 0.95) | −0.3 ± 26.8 |
RMSSD 4–5 (ms) | 60.9 ± 24.9 | 0.89 | 0.12 | 6.8 | 0.95 (0.90, 0.98) | −2.7 ± 18.8 |
RMSSD: RR Criterion | 6.0 ± 2.1 | - | - | - | - | - |
RMSSD: RR 0–1 | 6.8 ± 2.4 | 0.16 | 0.35 | 1.1 | 0.83 (0.60, 0.92) | −0.8 ± 3.1 |
RMSSD: RR 1–2 | 6.5 ± 2.6 | 0.99 | 0.21 | 1.0 | 0.88 (0.74, 0.94) | −0.5 ± 2.9 |
RMSSD: RR 2–3 | 6.0 ± 2.5 | 0.99 | 0.00 | 0.9 | 0.91 (0.82, 0.96) | −0.1 ± 2.5 |
RMSSD: RR 3–4 | 6.0 ± 2.2 | 0.99 | 0.00 | 1.1 | 0.86 (0.71, 0.94) | −0.0 ± 3.0 |
RMSSD: RR 4–5 | 6.3 ± 2.5 | 0.99 | 0.13 | 0.7 | 0.95 (0.89, 0.98) | −0.3 ± 1.9 |
SDNN Criterion (ms) | 57.8 ± 18.9 | - | - | - | - | - |
SDNN 0–1 (ms) | 59.3 ± 23.3 | 0.99 | 0.07 | 11.3 | 0.84 (0.65, 0.92) | −1.4 ± 31.4 |
SDNN 1–2 (ms) | 57.8 ± 21.7 | 0.99 | 0.00 | 10.3 | 0.86 (0.69, 0.93) | 0.0 ± 28.6 |
SDNN 2–3 (ms) | 51.0 ± 21.3 | 0.13 | −0.34 | 9.2 | 0.86 (0.66, 0.94) | 6.8 ± 25.4 |
SDNN 3–4 (ms) | 55.2 ± 20.0 | 0.99 | −0.13 | 8.7 | 0.89 (0.76, 0.95) | 2.6 ± 24.1 |
SDNN 4–5 (ms) | 56.0 ± 21.6 | 0.99 | −0.09 | 9.0 | 0.89 (0.77, 0.95) | 1.9 ± 24.9 |
SDNN: RR Criterion | 5.9 ± 1.8 | - | - | - | - | - |
SDNN: RR 0–1 | 6.1 ± 2.2 | 0.99 | 0.09 | 1.1 | 0.83 (0.63, 0.92) | −0.1 ± 3.0 |
SDNN: RR 1–2 | 5.9 ± 2.1 | 0.99 | 0.00 | 1.0 | 0.83 (0.64, 0.92) | 0.0 ± 2.9 |
SDNN: RR 2–3 | 5.2 ± 2.1 | 0.13 | −0.36 | 0.9 | 0.84 (0.60, 0.93) | 0.7 ± 2.6 |
SDNN: RR 3–4 | 5.7 ± 1.9 | 0.99 | −0.11 | 0.9 | 0.86 (0.71, 0.94) | 0.3 ± 2.5 |
SDNN: RR 4–5 | 5.8 ± 2.1 | 0.99 | −0.05 | 0.9 | 0.86 (0.71, 0.94) | 0.1 ± 2.5 |
Variable | Body Fat (%) | Fat Mass (kg) | Fat-Free Mass (kg) |
---|---|---|---|
RR Criterion (ms) | −0.321 | −0.453 * | −0.112 |
RR 0–1 (ms) | −0.407 * | −0.506 ** | −0.116 |
RR 1–2 (ms) | −0.458 * | −0.555 ** | −0.147 |
RR 2–3 (ms) | −0.405 * | −0.500 ** | −0.087 |
RR 3–4 (ms) | −0.371 | −0.471 * | −0.066 |
RR 4–5 (ms) | −0.371 | −0.492 ** | −0.128 |
RMSSD Criterion (ms) | −0.420 * | −0.487 * | −0.149 |
RMSSD 0–1 (ms) | −0.401 * | −0.364 | −0.052 |
RMSSD 1–2 (ms) | −0.489 ** | −0.445 * | −0.042 |
RMSSD 2–3 (ms) | −0.377 | −0.384 * | −0.103 |
RMSSD 3–4 (ms) | −0.351 | −0.320 | −0.051 |
RMSSD 4–5 (ms) | −0.310 | −0.395 * | −0.217 |
RMSSD: RR Criterion | −0.389 * | −0.427 * | −0.126 |
RMSSD: RR 0–1 | −0.319 | −0.250 | −0.009 |
RMSSD: RR 1–2 | −0.435 * | −0.383 * | −0.008 |
RMSSD: RR 2–3 | −0.326 | −0.307 | −0.070 |
RMSSD: RR 3–4 | −0.272 | −0.210 | −0.015 |
RMSSD: RR 4–5 | −0.256 | −0.314 | −0.182 |
SDNN Criterion (ms) | −0.442 * | −0.515 ** | −0.114 |
SDNN 0–1 (ms) | −0.426 * | −0.416 * | −0.062 |
SDNN 1–2 (ms) | −0.523 ** | −0.479 * | −0.020 |
SDNN 2–3 (ms) | −0.417 * | −0.401 * | −0.034 |
SDNN 3–4 (ms) | −0.445 * | −0.472 * | −0.072 |
SDNN 4–5 (ms) | −0.252 | −0.385 * | −0.207 |
SDNN: RR Criterion | −0.418 * | −0.460 * | −0.086 |
SDNN: RR 0–1 | −0.367 | −0.337 | −0.041 |
SDNN: RR 1–2 | −0.454 * | −0.386 * | −0.018 |
SDNN: RR 2–3 | −0.374 | −0.333 | −0.001 |
SDNN: RR 3–4 | −0.391 * | −0.398 * | −0.053 |
SDNN: RR 4–5 | −0.203 | −0.313 | −0.180 |
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Alalyan, M.J.; Alkahtani, S.A.; Habib, S.S.; Flatt, A.A. Suitability of Ultra-Short-Term Heart Rate Variability in Military Trainees. Healthcare 2020, 8, 409. https://doi.org/10.3390/healthcare8040409
Alalyan MJ, Alkahtani SA, Habib SS, Flatt AA. Suitability of Ultra-Short-Term Heart Rate Variability in Military Trainees. Healthcare. 2020; 8(4):409. https://doi.org/10.3390/healthcare8040409
Chicago/Turabian StyleAlalyan, Mubarak J., Shaea A. Alkahtani, Syed Shahid Habib, and Andrew A. Flatt. 2020. "Suitability of Ultra-Short-Term Heart Rate Variability in Military Trainees" Healthcare 8, no. 4: 409. https://doi.org/10.3390/healthcare8040409