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Table 6 Laboratory examination reference ranges

From: A single-center, retrospective study of COVID-19 features in children: a descriptive investigation

AgeSexHemoglobin (g/dL)C-reactive protein (mg/L)Platelets (× 109/L)Lymphocytes (× 109/L)Leukocytes (× 109/L)
1 to < 2 monthsM102–1270.09–10.41221–4712.22–5.638.36–13.66
 F111–137184–4302.49–6.267.34–12.32
2 to < 6 monthsM105–130215–4482.57–7.547.91–13.41
 F107–134147–4232.22–7.116.85–12.84
6 months to 2 yearsM104–125185–3992.47–6.417.73–13.12
 F108–126211–4082.34–6.447.05–12.98
3–5 yearsM114–143187–4441.60–5.304.40–12.9
 F114–143187–4441.60–5.304.40–12.9
6–8 yearsM115–143186–4001.40–3.903.80–10.4
 F115–143186–4001.40–3.903.80–10.4
9–10 yearsM118–147186–4001.40–3.903.80–10.4
 F118–147186–4001.40–3.903.80–10.4
11–14 yearsM124–157176–3811.00–3.203.80–10.4
 F119–148176–3811.00–3.203.80–10.4
15–19 yearsM133–169138–3191.00–3.203.80–10.4
 F119–148158–3611.00–3.203.80–10.4
  1. From Reference Range Values for Pediatric Care 2nd edition pages 92–98 [31] released by the American Academy of Pediatrics