Table 2.
Proportion of positive specimens by culture using Cary-Blair medium or filter paper for transport according to the duration between sample collection and culture, Lubumbashi, Democratic Republic of Congo, 2008 (n = 150)
| Delay (in days) from sample collection to culture (no. of specimens)a | Specimens on: |
McNemar's test P value | |||
|---|---|---|---|---|---|
| Cary-Blair medium |
Filter paper |
||||
| No. | % | No. | % | ||
| 7-10 (18) | 7 | 39 | 7 | 39 | 1 |
| 11-14 (67) | 22 | 33 | 21 | 31 | 1 |
| >14 (65) | 38 | 58 | 33 | 51 | 0.226 |
a
To facilitate the comparison, the analysis was restricted to the samples with the same delays for culture performed from Cary-Blair medium or filter paper.