Meningococcal disease: comparison of test card and ultrasonic enhancement
| Positive agglutination specimens (patients) | Test card | Ultrasound | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Urine (neat) | Urine (conc) | Serum | CSF | Urine (neat) | Urine (conc) | Serum | CSF | ||
| Confirmed meningococcal, n=35 (24) | |||||||||
| Group B | 1/5 | 1/4 | 1/4 | 3/7 | 1/5 | 1/4 | 2/4 | 6/7 | |
| Group C | 2/4 | NA | 3/6 | 2/2 | 2/4 | NA | 5/6 | 2/2 | |
| Not grouped | NA | NA | 0/1 | 2/2 | NA | NA | 0/1 | 2/2 | |
| Subtotal | 3/9 | 1/4 | 4/11 | 7/11 | 3/9 | 1/4 | 7/11 | 10/11 | |
| Total specimens (patients) | 15/35 (13/24) | 21/35 (18/24) | |||||||
| Clinically documented meningococcal disease n=32 (19) | 1/13 | 1/8 | 2/9 | 0/2 | 4/13 | 6/8 | 7/9 | 0/2 | |
| Total specimens (patients) | 4/32 (3/19) | 17/32 (14/19) | |||||||
| Total specimens | 19/67 (29%) | 38/67 (57%) | |||||||
| Total patients | 16/43 (37%) | 32/43 (74%) | |||||||
Conc = concentrated; NA = not available.