TABLE 2

Clinical Features and Laboratory Results on Presentation to ED for Cases and Controls

PredictorControl Central TendencyControl, nCase Central TendencyCase, nP
CTAS 1 or 2, n (%)30 (42)7136 (52)69.24
Maximum temperature (°C), mean ± SD38.5 ± 1.07138.5 ± 1.271.84
Febrile, n (%)56 (79)7151 (72)71.33
Lethargy, n (%)2 (3)713 (4)70.68
Dehydration, n (%)2 (3)717 (10)71.17
Vomiting, n (%)21 (30)7027 (40)68.23
Poor feeding, n (%)36 (51)7146 (66)70.07
Blood work results
 Band count (109/L), median [IQR]0.35 [0.0–1.1]710.25 [0.03–0.9]71.87
 White blood cell count (109/L), median [IQR]17.8 [11.7–21.4]7115.0 [9.3–20.4]71.06
Urinalysis results
 Blood, n (%)55 (77)7142 (65)65.10
 Protein, n (%)33 (47)7033 (51)65.67
 Nitrites, n (%)30 (42)7119 (29)65.11
 Leukocytes, n (%)63 (89)7146 (70)66.01
  • CTAS, Canadian Triage Acuity Scale; IQR, interquartile range. SD, standard deviation.