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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