Table 3. Features of dizziness (n=947).
| Total (n=947) | MPS (n=565) | Etiology of dizziness Other (n=382) | p1 | |
| Duration (month)¶ | 24.7±35.2 | 23.2±34.4 | 26.9±36.4 | 0.0472 |
| 12 (1-240) | 12 (1-240) | 12 (1-240) | ||
| Course (min)¶ | 7.9±69.8 | 7.7±65.4 | 8.3±75.9 | 0.4372 |
| 0.33 (0.02-1440) | 0.3 (0-1440) | 0.5 (0-1440) | ||
| NDS scores¶ | ||||
| Severity | 4.4±2.0 | 4.3±2.0 | 4.6±2.0 | 0.0342 |
| 4(0-10) | 4(0-10) | 4(0-9) | ||
| Impact on QoL | 3.7±2.2 | 3.6±2.1 | 4.0±2.2 | 0.0052 |
| 3 (0-10) | 3 (0-10) | 4(0-10) | ||
| Presence of motion sickness§ | 222 (23.4) | 131 (23.2) | 91 (23.8) | 0.821 |
| Concomitant nausea§ | 242 (25.6) | 128 (22.7) | 114 (29.8) | 0.040 |
| Concomitant vomiting§ | 56 (5.9) | 39 (6.9) | 17 (4.5) | 0.117 |
| Triggering or aggravating factors*§ | ||||
| None | 124 (13.1) | 76 (13.5) | 48 (12.6) | 0.692 |
| Head movement (rotation, backward) | 310 (32.7) | 175 (31.0) | 135 (35.3) | 0.160 |
| Migraine | 99 (10.5) | 59 (10.4) | 40 (10.5) | 0.989 |
| Standing up quickly | 580 (61.2) | 351 (62.1) | 229 (59.9) | 0.500 |
| Body movement | 756 (79.8) | 448 (79.3) | 308 (80.6) | 0.615 |
| Stress | 640 (67.6) | 366 (64.8) | 274 (71.7) | 0.025 |
| Other | 73 (7.7) | 42 (7.4) | 31 (8.1) | 0.700 |
| MPS: Myofascial pain syndrome; NDS: Numeric Dizziness Scale; QoL: Quality of life; § n (%); ¶ Mean±SD, median (min-max); * Multiple choices were possible; 1Pearson chi-square test; 2Mann-Whitney U test. | ||||