Letter to the Editor: Time-based evidence supporting early percutaneous catheter drainage in pyogenic liver abscess

Table 2 Hematologic and biochemical parameters 1 week after treatment, mean ± SD

Laboratory parameter	PCD within 3 days (n = 269)	PCD after 3 days (n = 97)	P value
WBC (mm3)	11.4 ± 5.1	12.3 ± 5.4	0.136
Hemoglobin (g/dL)	11.4 ± 1.6	11.1 ± 1.8	0.148
Platelet (× 1000/mm3)	384.7 ± 157.2	321.6 ± 157.5	0.001
ESR (mm/hour)	67.6 ± 24.6	63.5 ± 28.8	0.272
AST (IU/L)	37.5 ± 41.3	40.5 ± 38.0	0.539
ALT (IU/L)	37.2 ± 36.0	40.1 ± 29.6	0.441
Total bilirubin (mg/dL)	0.8 ± 1.1	1.0 ± 1.2	0.043
Albumin (g/dL)	3.1 ± 0.5	3.1 ± 0.5	0.734
Creatinine (mg/dL)	0.7 ± 0.8	0.9 ± 1.2	0.174
hs-CRP (mg/L)	72.6 ± 57.2	95.5 ± 68.5	0.004
Procalcitonin (ng/mL)	2.0 ± 6.5	5.2 ± 14.2	0.327

PCD: Percutaneous catheter drainage; WBC: White blood cells; ESR: Erythrocyte sedimentation rate; AST: Aspartate aminotransferase; ALT: Alanine aminotransferase; hs-CRP: High-sensitivity C-reactive protein.