TABLE 2

Laboratory Features of 5 Children With Typhus

Test (Reference Range With Units)Case 1Case 2Case 3Case 4Case 5
White blood cell counta (4500–13 000 per μL)6.77.75.34.515.2
Lymphocyte % per absolute (1200–5200 cells per μL)16 of 108034 of 262023 of 121038 of 172024 of 3620
Neutrophils % per absolute (1800–8000 cells per μL)78 of 520056 of 428029 of 362052 of 238067 of 10 190
Hemoglobin (12.0–16.9 g/dL)12.89.913.413.311.7
Platelets (140 000–400 000 per μL)151157136161280
Sodium (135–146 mmol/L)134137131134135
CRP (<1.0 MG/DL)17.116.93.15.95.4
ESR (0–20 mm/h)1913111733
AST (10–45 U/L)7339678128122
ALT (11–26 U/L)703444373236
LDH (340–670 U/L)9381506N/A17461378
D-dimer (≤0.40 μg/mL)2.683.183.422.411.88
Ferritin (18–464 ng/mL)383535454271101
Fibrinogen (220–440 mg/dL)422278273a414382
Procalcitonin (0.05–2.00 ng/mL)N/A0.77N/A0.440.54
BNP (<100.0 pg/mL)<1020.789.172.6N/A
Troponin (<0.030 ng/mL)0.025<0.0100.0150.011N/A
ElectrocardiogramNormalNormalMild PR interval prolongationN/AN/A
EchocardiogramNormalNormalMild coronary-artery dilationNormalNormal
R typhi antibodiesIgM 1:64IgM >1:1024IgM 1:128IgM 1:512IgM >1:1024
IgG <1:64IgG >1:64IgG <1:64IgG 1:512IgG 1:1024
SARS-CoV-2 PCRNegativeNegativeNegativeNegativeNegative
SARS-Co2-2 IgM and IgGNonreactiveNonreactiveNonreactiveNonreactiveNonreactive
  • ALT, alanine aminotransferase; AST, aspartate aminotransferase; BNP, B-type natriuretic peptide; ESR, erythrocyte sedimentation rate; LDH, lactate dehydrogenase; N/A, not applicable; PCR, polymerase chain reaction.

  • a Obtained after admission.