Emerging Infectious Disease ISSN: 1080-6059

Pandemic (H1N1) 2009–associated Pneumonia in Children, Japan

Maki Hasegawa, Takafumi Okada, Hiroshi Sakata, Eiichi Nakayama, Tatsuo Fuchigami, Yasuji Inamo, Hideo Mugishima, Takeshi Tajima, Satoshi Iwata, Miyuki Morozumi, Kimiko Ubukata, Haruo Watanabe, and Takashi Takahashi

Author affiliations: Author affiliations: Kitasato University, Tokyo (M. Hasegawa, T. Okada, E. Nakayama, M. Morozumi, K. Ubukata, T. Takahashi); Nihon University School of Medicine, Tokyo, Japan (M. Hasegawa, T. Fuchigami, Y. Inamo, H. Mugishima); National Hospital Organization Tokyo Medical Center, Tokyo (T. Okada, S. Iwata); Asahikawa-Kosei General Hospital, Asahikawa, Japan (H. Sakata); Komagome Hospital, Tokyo (E. Nakayama); Hakujikai Memorial Hospital, Tokyo (T. Tajima); National Institute of Infectious Diseases, Tokyo (H. Watanabe)

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Figure 2

Lymphocyte counts (cells/μL) in blood samples from 5 groups (patients with complications, patients >6 years of age without complications who had early or late hospital admission, and patients <5 years of age without complications who had early or late hospitalization). Data were analyzed by using box-and-whisker plots. Lower limit, median, and upper limit shown within each box correspond to the 25%, 50%, and 75% percentile, respectively; half of the patients considered fall within each box

Figure 2. Lymphocyte counts (cells/μL) in blood samples from 5 groups (patients with complications, patients >6 years of age without complications who had early or late hospital admission, and patients <5 years of age without complications who had early or late hospitalization). Data were analyzed by using box-and-whisker plots. Lower limit, median, and upper limit shown within each box correspond to the 25%, 50%, and 75% percentile, respectively; half of the patients considered fall within each box. Dotted lines extending from each box represent 1.5× the quartile deviation. Open red circles, outlying cases; closed diamonds, medians; horizontal bars, means.

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