Results of initial magnetic resonance imaging in the different cerebrospinal fluid patterns
| Patients (n = 33) | Positive MRI* | MS suggestive MRI† | Non-specific or normal brain MRI |
|---|---|---|---|
| *According to the strict criteria of Barkhof et al7 (a spinal cord lesion can substitute for a brain lesion). | |||
| †Two or more lesions suggestive of MS either in the brain or in the spinal cord. | |||
| ‡This patient had only a single spinal cord lesion. | |||
| §One of these 10 patients had only a single spinal cord lesion. | |||
| χ2 (positive or suggestive MRI v aspecific or normal MRI; positive v negative free kappa) with Yate’s correction: p = 0.0239. | |||
| IgG(-)/κ+ (n = 15) | 5 | 6 | 4 |
| IgG(1 band)/κ+ (n = 3) | 1 | 1 | 1‡ |
| IgG(1 band)/κ(-) (n = 1) | 0 | 0 | 1 |
| IgG(-)/κ(-) (n = 14) | 0 | 4 | 10§ |
| Total | 6 | 11 | 16 |