Volume 12, Number 8—August 2006
Dispatch
Community-acquired Methicillin-resistant Staphylococcus aureus in Children, Taiwan
Wen-Tsung Lo*†, Wei-Jen Lin†, Min-Hua Tseng†, Sheng-Ru Wang†, Mong-Ling Chu†, and Chih-Chien Wang*†
Table 1
Association of Panton-Valentine leukocidin-positive Staphylococcus aureus isolates with types of staphylococcal infection and colonization*
| Origin of sample | No. isolates | No. (%) PVL-positive isolates | Risk ratio (95% CI)† | p value‡ |
|---|---|---|---|---|
| Furuncles | 7 | 7 (100) | 8.000 (1.279–50.040) | 0.001 |
| Abscess | 9 | 8 (89) | 7.111 (1.121–45.129) | 0.002 |
| Carbuncle | 26 | 20 (77) | 6.154 (0.972–38.959) | 0.001 |
| Cellulitis | 25 | 19 (76) | 6.080 (0.959–38.535) | 0.002 |
| Staphylococcal scarlet fever | 27 | 17 (63) | 5.037 (0.787–32.229) | 0.013 |
| Wounds§ | 20 | 5 (25) | 2.000 (0.275–14.548) | 0.475 |
| Pyoderma | 5 | 1 (20) | 1.600 (0.127–20.219) | 0.726 |
| Pneumonia¶ | 8 | 1 (13) | ||
| Bullous impetigo | 6 | 0 | NA/NM | NA/NM |
| Bacteremia | 7 | 0 | NA/NM | NA/NM |
| Other invasive infection# | 4 | 4 (100) | 8.000 (1.279–50.040) | 0.006 |
| Colonization | 300 | 18 (6) | 0.480 (0.073–3.169) | 0.452 |
| Total | 444 | 100 (23) |
*PVL, Panton-Valentine leukocidin; CI, confidence interval; NA, not applicable; NM, not measured.
†Risk ratio is the ratio of the risk of being PVL positive in the presence of a particular type of infection or colonization to the absence of that type of infection or colonization.
‡By Mantel-Haenszel test.
§Mostly postsurgical.
¶Reference group for statistical analysis.
#Includes pyomyositis, osteomyelitis, and septic arthritis.
