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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*†Comments to Author 
Author affiliations: *National Defense Medical Center, Taipei, Taiwan, Republic of China; †Tri-Service General Hospital, Taipei, Taiwan, Republic of China

Main Article

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.

Main Article

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