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Table 1 Key laboratory values

From: Blackwater fever in an uncomplicated Plasmodium falciparum patient treated with dihydroartemisinin-piperaquine

Parameters (normal values) D1 D2 D3 D5 D7 D9 D10 W2 W3 W4 W5
WBC 103/μL (4.0-10.0) 3.0 4.3 4.54 5.49 6.5 7.3 - 6.1 - 5.3 5.3
Blood smear (parasites/μl) 31,218 4,050 286 Neg. - - - - - Neg Neg
HB g/dL (13–18) 10.3 8.1 8.4 7.9 8.8 8.5 - 7.7 - 8.3 8.2
PLT 103/μL (140–450) 71 68 70 113 215 283 - 347 - 264 193
Cr. mg/dL (0.8-1.3) 0.92 1.7 1.8 2.71 2.90 3.79 3.29 2.9 2.21 1.8 -
BUN mg/dL (7–18) 20.5 25.4 27.85 36.91 23.74 23.0 19.7 19.8 20.2 16.2 -
AST IU/dL (15–37) 43.6 261 249 265 111 58.0 - 36.7 - - -
Tot. bil. mg/dL (0–1.0) 0.818 2.95 2.2 2.1 0.809 0.595 - 0.5 - - -
Dir. bil. mg/dL (0.0-0.5) - - 0.2 0.3 - - - - - - -
K + mEq/L (3.5-5.1) 3.68 3.93 3.7 3.8 3.95 4.34 4.29 4.1 3.74 3.39 -
Na + mEq/L (136–148)    130 142        
CHIKV (IgM)    pos.         
  1. WBC; white blood cell (103/μL). HB; haemoglobin (g/dL). PLT; platelet (103/μ), Cr; serum creatinine (mg/dL). BUN; blood urea nitrogen (mg/dL). AST; aspartate amino transferase (IU/dL). Tot. bil.; serum total bilirubin (mg/dL). Dir.bil.; serum direct bilirubin (mg/dL). K+; serum potassium (mEq/L). Na+; serum sodium (mEq/L). CHIKV (IgM); Chikungunya virus (Immunoglobulin M). pos; positive.