Table 4 The comorbidity in relation to severity of symptoms, duration, and response to management
From: Benign paroxysmal positional vertigo: a multi-center study
| Â | Comorbidity | P value | |
|---|---|---|---|
With | Without | ||
Severity | |||
 Total | 24 | 90 | 0.00978896 (X2 = 9.253) |
 Mild | 4 | 36 | |
 Moderate | 16 | 34 | |
 Sever | 2 | 22 | |
Duration (mean) | |||
 22.8 ± 26.8 | 28.3 ± 51.47 | 23.5 ± 47.25 | 0.6652 (T = 0.434) |
Response to repositioning maneuver | |||
 After the 1st session | 20 | 78 | 0.67658 (X2 = 0.174) |
 After the 2nd session | 4 | 12 | |