Table 2: Descriptive Statistics for Physiological Outcomes at Baseline, Week 1, Week 2, and Week 3.
| Assessment | ||||||
| Variable | Group | n | BaselineM (SD) | Week 1M (SD) | Week 2M (SD) | Week 3M (SD) |
| Respiration Rate - Rest | Experimental | 9 | 12.59 (2.53) | 6.61 (1.04) | 6.61 (1.04) | 6.67 (1.32) |
| Placebo | 9 | 12.50 (4.71) | 11.35 (3.08) | 12.51 (5.25) | 12.14 (4.71) | |
| Control | 9 | 13.82 (3.41) | 12.84 (3.98) | 12.55 (3.87) | 12.53 (3.68) | |
| LF HRV - Rest | Experimental | 9 | 1917.23 (2192.45) | 10535.90 (7673.33) | 7764.45 (4229.39) | 6030.91 (4375.39) |
| Placebo | 9 | 4046.28 (5943.67) | 5436.61 (8051.19) | 3258.58 (4724.04) | 4819.40 (6141.06) | |
| Control | 9 | 2035.99 (1776.63) | 3080.32 (4483.46) | 2913.88 (3880.51) | 2758.06 (4302.20) | |
| HF HRV - Rest | Experimental | 9 | 1534.71 (1537.12) | 1149.07 (1102.91) | 1461.31 (2202.09) | 772.17 (1147.13) |
| Placebo | 9 | 2521.14 (2827.32) | 4026.19 (5632.19) | 1739.16 (1842.60) | 1989.98 (1331.68) | |
| Control | 9 | 1545.27 (2748.84) | 1357.18 (992.79) | 1497.74 (944.34) | 926.04 (567.80) | |
| Total HRV - Rest | Experimental | 9 | 4373.99 (4003.15) | 12991.54 (8815.61) | 11173.84 (8130.79) | 8094.16 (5525.49) |
| Placebo | 9 | 8581.49 (6289.67) | 12917.80 (13493.82) | 7504.58 (6385.24) | 9091.39 (6749.95) | |
| Control | 9 | 5504.22 (5760.63) | 6313.67 (5130.24) | 7067.98 (4202.07) | 5842.37 (4649.94) | |
| Respiration Rate - Paced | Experimental | 9 | 7.61 (2.08) | 6.65 (0.75) | 6.81 (0.93) | 6.61 (0.99) |
| Placebo | 9 | 7.25 (1.45) | 7.09 (1.00) | 6.99 (1.50) | 7.14 (1.69) | |
| Control | 8 | 7.73 (2.12) | 7.03 (1.05) | 6.76 (0.76) | 7.22 (1.54) | |
| LF HRV - Paced | Experimental | 9 | 7518.97 (3724.06) | 7305.14 (4705.26) | 7591.59 (4193.89) | 4636.20 (2442.96) |
| Placebo | 9 | 9654.77 (6375.36) | 13409.81 (9488.48) | 9980.31 (7171.43) | 10686.00 (7108.84) | |
| Control | 7 | 8292.53 (5144.29) | 11556.51 (8587.64) | 12121.95 (7663.42) | 8374.81 (6366.17) | |
| HF HRV - Paced | Experimental | 9 | 831.07 (639.84) | 1362.45 (1479.65) | 988.65 (906.11) | 763.60 (620.53) |
| Placebo | 9 | 1601.82 (1243.66) | 2239.27 (1923.10) | 1708.43 (1160.03) | 1252.35 (1059.45) | |
| Control | 7 | 1506.44 (1527.77) | 2362.43 (1609.57) | 2175.48 (1843.50) | 1464.51 (1077.33) | |
| Total HRV - Paced | Experimental | 9 | 9893.85 (5071.20) | 11662.33 (7573.81) | 10329.41 (5394.35) | 6766.24 (3382.51) |
| Placebo | 9 | 15138.19 (12525.72) | 18831.65 (13318.33) | 14834.00 (9680.58) | 14628.40 (7974.81) | |
| Control | 7 | 11197.02 (7158.39) | 16399.34 (11104.88) | 16872.11 (11166.32) | 11639.24 (8088.80) | |
Note: LF HRV = Low Frequency; measured in ms2/Hz; HRV in frequency band of 0.04-0.15 Hz. HF HRV = High Frequency; measured in ms2/Hz; HRV in frequency band of 0.15-0.4 Hz. Respiration rate = average breaths per minute.