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Table 1 Days Hospitalization and Clinical Severity Scores in the Two Study Groups

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

Variables used to score clinical severity Pertussis
(N = 28 infants)
Pertussis + Virus
(N = 25 infants)
P Values
Hospitalization stay in days 7 (1–41) 7 (2–36) 0.532*
Severity score median (range) 1 (0–7) 1 (0–5) 0.279
Heart rate in beats per minute median (range) 145 (100–175) 140 (120–175) 0.235
Respiratory rate in breaths per minute median (range) 39 (27–70) 37 (27–60) 0.702
Oxygen saturation median (range) 99% (85–100%) 98% (82–100%) 0.524
Retractions 7/23 (30.4%) 4/22 (18.1%) 0.602*
Oxygen-therapy 8/23 (34.8%) 6/22 (27.3%) 0.413*
Fluid therapy 7/23 (30.4%) 2/22 (9.1%) 0.077*
  1. *by χ-square test, by Mann-Whitney test
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