Table 5.
Pre-exposure (baseline) HRV parameters and values after exposure to individual color lights in the different intervention group subjects
| Parameters | Red (Mean±SD) (Intervention group I) | Blue (Mean±SD) (Intervention group II) | White (Mean±SD) (Intervention group III) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Before | After | P | Before | After | P | Before | After | P | |
| SDRR | 36.56±16.54 | 39.45±18.22 | 0.1359 | 37.21±19.31 | 36.55±16.2 | 0.4469 | 48.11±30.57 | 61.95±64.1 | 0.0697 |
| RMSSD | 33.29±21.66 | 33.3±22.82 | 0.4982 | 33.94±24.96 | 62.13±17.56 | 0.3885 | 51.12±55.36 | 68.71±99.03 | 0.1109 |
| Prr50 ⌂ | 1.836±2.565 | 2.807±3.184 | 0.0305 | 1.607±1.969 | 2.498±3.303 | 0.0520 | 1.829±2.125 | 2.335±2.376 | 0.0817 |
| TP ⌂▲ | 1192±878.5 | 1555±1190 | 0.0316 | 1136±883.3 | 1302±745.6 | 0.1835 | 1455±1252 | 2103±1786 | 0.0031 |
| VLF ▲ | 462.3±422.1 | 546.4±384.7 | 0.1315 | 511.3±510 | 595.5±488.8 | 0.2067 | 533.7±502.2 | 1035±1299 | 0.0318 |
| LF | 375.4±365.8 | 476.5±340.6 | 0.0987 | 324.7±325.7 | 488.6±531.4 | 0.0915 | 649.9±889.2 | 899.5±1171 | 0.1753 |
| HF▲ | 466.4±442.6 | 586.4±673.2 | 0.1064 | 313.8±363.8 | 593.1±1050 | 0.1268 | 747.9±1037 | 1144±1483 | 0.0325 |
| LF/HF⌂ | 0.9568±0.6986 | 1.413±1.053 | 0.0206 | 1.263±0.7942 | 1.935±2.393 | 0.0850 | 2.325±2.929 | 2.147±2.414 | 0.3249 |
| SD1 | 27.23±19.4 | 27.95±25.85 | 0.4346 | 23.84±17.83 | 24.99±14.59 | 0.3665 | 37.17±38.57 | 45.43±57.16 | 0.1384 |
| SD2 | 48.74±31.6 | 52.19±27.42 | 0.2945 | 46.04±22.83 | 46.07±21.72 | 0.4976 | 58.51±35.54 | 65.46±48.08 | 0.1688 |
▲: Significant in intervention group III; ⌂: Significant in intervention group I