| PPPD Mean +/- SD M; [Min-Max] | HC Mean +/- SD M; [Min-Max] | Significance level p |
---|---|---|---|
Rotary motion perception threshold (°/s) | 10.85 +/- 14.12 N/A; [0.3-68.0] | 29.48 +/- 23.49 N/A; [2.5-72.0] | <0.001* |
Onset (in seconds) of sickness rating phases during rotation … | |||
 Initial vegetative symptoms (SR 2) (s) | 283.19 +/- 145.06 N/A; [62-573] | 683.9 +/- 250.78 N/A; [277-1166] | <0.001* |
 Mild nausea (SR 3) (s) | 503.46 +/- 175.56 N/A; [215-740] | 704.5 +/- 126.57 N/A; [615-794] | 0.233* |
 Severe vegetative symptoms (SR 4) (s) | 719.95 +/- 238.39 N/A; [247-1195] | 739 +/- 0 N/A; [739-739] | 0.939* |
Duration of sickness rating phases during rotation … | |||
 Asymptomatic (SR 1) (s) | 283.19 +/- 145.06 N/A; [62-573] | 1043.61 +/- 275.14 N/A; [277-1200] | <0.001* |
 Initial vegetative symptoms (SR 2) (s) | 220.27 +/- 139.49 N/A; [52-637] | 417 +/- 277.89 N/A; [34-923] | 0.008* |
 Mild nausea (SR 3) (s) | 308.81 +/- 187.76 N/A; [32-588] | 265 +/- 199.4 N/A; [124-406] | 0.809* |
Recovery from vegetative symptoms (SR) … after completion of rotation | |||
 … 1 min | 2.65 +/- 0.8 2; [1–4] | 1.18 +/- 0.39 1; [1, 2] | <0.001* |
 … 5 min | 1.65 +/- 0.8 1; [1–4] | 1 +/- 0 1; [1] | <0.001* |
 …10 min | 1.12 +/- 0.43 1; [1–3] | 1 +/- 0 1; [1] | 0.11* |
 … 15 min | 1.04 +/- 0.2 1; [1, 2] | 1 +/- 0 1; [1] | N/A |
 … 20 min | 1 +/- 0 1; [1] | 1 +/- 0 1; [1] | N/A |
Beginning of per-rotatory nystagmus (s) | 9.11 +/- 9.6 [1-36] | 5.2 +/- 6.65 [1-26] | 0.159 |
Maximum velocity of the slow phase (deg/s) | 39.27 +/- 26.97 [3.5-92.1] | 45.96 +/- 40.17 [6.0-149.6] | 0.85 |
Average velocity of slow phase (deg/s) | 8.26 +/- 5.46 [1.9-25.7] | 8.95 +/- 7.17 [3.0-29.3] | 0.92 |