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)
Figure 1. Neutrophil 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 hospital admission. 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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