Determinants of infection for antibiotic initiation at pediatric emergency admission: A prospective observational study

Table 2 Mean/median of quantitative variables of the study population

Variables	No infection	Suspected infection	Probable infection	Confirmed infection	Total
Age (year) (n = 802)	4.51 ± 4.25	5.14 ± 4.36	5.21 ± 4.22	4.77 ± 4.19	4.81 ± 4.27
Procalcitonin (ng/mL) (n = 262)	0.20 (0.06-0.70)	0.39 (0.14-4.15)	1.00 (0.24-5.66)	1.97 (0.34-7.69)	0.52 (0.14-3.80)
ESR (mm/hour) (n = 121)	36.93 ± 36.58	47.87 ± 43.02	72.23 ± 43.25	73.72 ± 47.85	56.81 ± 44.94
CRP (mg/dL) (n = 394)	19.5 (4.3-84.0)	87.5 (21.9-314.0)	113.9 (18.0-341.0)	140.6 (19.6-400.6)	61.7 (10.2-238.5)
ANC (per µL) (n = 802)	6275 (3775-9940)	6695 (4320-12300)	7800 (4895-12775)	9185 (4765-14065)	6515 (3987-11077)
TLC (per mm3) (n = 802)	11900 (8770-16480)	12400 (7810-17870)	14305 (8610-19440)	14210 (8090-20050)	12400 (8407-17862)
Albumin (g/dL) (n = 657)	3.99 ± 0.65	3.55 ± 0.76	3.35 ± 0.80	3.10 ± 0.91	3.62 ± 0.83
Platelets (per µL) (n = 800)	330000 (221000-440000)	260000 (121000-410000)	300000 (183000-399000)	248000 (139500-410500)	300000 (173250-429250)
Lactate (mmol/L) (n = 518)	1.61 (1.09-2.36)	1.66 (1.20-2.39)	1.56 (1.17-2.20)	1.53 (1.19-2.10)	1.60 (1.15-2.35)
Temp (°C) (n = 802)	36.97 ± 0.85	37.36 ± 1.19	37.47 ± 1.01	37.25 ± 1.08	36.08 ± 1.02

Data are presented as mean ± SD or median (25^th-75^th percentiles). ESR: Erythrocyte sedimentation rate; CRP: C-reactive protein; ANC: Absolute neutrophil count; TLC: Total leukocyte count.