Virus culture and PCR results, by lesion characteristics
| Lesion type* | Lesion duration† | |||||||
|---|---|---|---|---|---|---|---|---|
| Vesicle (%) | Ulcer (%) | Crusting lesion (%) | p Value | 1–5 days (%) | 6–10 days (%) | >10 days (%) | p Value | |
| *Lesion type unknown in 28 patients. | ||||||||
| †Lesion duration unknown in 12 patients. | ||||||||
| Culture and PCR positive | 15 (51.7%) | 62 (40.5%) | 5 (19.2%) | 0.046 | 52 (47.3%) | 27 (44.3%) | 9 (16.9%) | <0.01 |
| Culture −ve PCR +ve | 2 (6.9%) | 17 (11.1%) | 1 (3.8%) | 0.02 | 12 (10.9%) | 3 (4.9%) | 3 (5.7%) | <0.01 |
| Culture and PCR negative | 12 (41.4%) | 74 (48.4%) | 20 (76.9%) | 46 (41.8%) | 31 (50.8%) | 41 (77.4%) | ||
| Total | 29 (100%) | 153 (100%) | 26 (100%) | 110 (100%) | 61 (100%) | 53 (100%) | ||