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Table 4 Laboratory and Radiological Variables in the Two Study Groups

From: Infants hospitalized for Bordetella pertussis infection commonly have respiratory viral coinfections

Laboratory and radiological variables Pertussis
(N = 28)
Pertussis + Virus
(N = 25)
P Values
White blood cells (× 103 cells/μl) median (range) 15.38 (2.31–37.48) 17.04 (5.69–40.84) 0.110
Lymphocytes (× 103 cells/μl) median (range) 8.31 (0.1–17.88) 6.89 (0.74–35.42) 0.272
WBC% Lymphocytes median (range) 61.9% (31.3–81.6%) 61% (19.3–80.1%) 0.427
C-reactive protein (mg/dL) median (range) 0.05 (0–3.6) 0.05 (0.03–5.06) 0.461
Consolidations on chest X-ray 4/16 (25%) 0/12 0.084*
  1. *by χ-square test, †by Mann-Whitney test