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Real-time PCR versus anaerobic culture for quantification of P. gingivalis in PCR- and culture-positive subgingival plaque samples
| Difference in no. of CFU | No. (%a) of samples for which:
|
||
|---|---|---|---|
| Culture detected more than real-time PCR | Real-time PCR detected more than culture | Total | |
| <10 | 51 (45.9) | 30 (27) | 81 (73) |
| 10-100 | 25 (22.5) | 3 (2.7) | 28 (25.2) |
| >100 | 2 (1.8) | 0 (0) | 2 (1.8) |
| Total | 78 (70.3) | 33 (29.7) | 111 |
Percentage of subgingival plaque samples in which P. gingivalis was detected.
