Red Cell Distribution Width as a Prognostic Indicator in Pediatric Heart Disease and after Surgery

Table 2

Comparative data related to pre- and postoperative hematological and biochemical values in the cardiac case group.

					Mean ± SD
	Preoperative	Postoperative	Discharge		Preoperative/postoperative change	Preoperative/discharge change	Postoperative/discharge change
RDW (10^9/L)	15.1 ± 3.5	16.0 ± 3.5	14.9 ± 2.7		0.9 ± 2.5	−0.3 ± 3.1	−1.1 ± 2.6
				𝑃	0.000	0.918	0.000  w
WBC (10^9 /L)	9.7 ± 3.6	12.6 ± 4.1	11.3 ± 3.8		2.9 ± 4.3	1.6 ± 3.6	−1.3 ± 4.6
				𝑃	0.000	0.000	0.006  e
HGB (g/dL)	15.4 ± 24.9	13.5 ± 13.3	13.4 ± 6.6		−2.0 ± 11.8	−2.0 ± 18.6	−0.1 ± 7.0
				𝑃	0.000	0.093	0.001  w
RBC (10^12/L)	5.1 ± 3.7	4.6 ± 3.1	4.7 ± 2.8		−0.5 ± 0.8	−0.4 ± 1.2	0.1 ± 0.7
				𝑃	0.000	0.000	0.059  w
PLT (10^9/L)	265.4 ± 91.5	165.2 ± 65.4	241 ± 130		−100.2 ± 94	−23.7 ± 134	76.5 ± 122.0
				𝑃	0.000	0.005	0.000  e
MCV (fL)	81.2 ± 6.3	83.4 ± 5.2	84.7 ± 4.1		2.2 ± 4.6	3.5 ± 5.8	1.3 ± 3.7
				𝑃	0.000	0.000	0.000  e
BUN (mg/dL)	23.8 ± 7.7	30.5 ± 11.3	26.7 ± 13		6.7 ± 11.9	2.9 ± 14.6	−3.8 ± 11.8
				𝑃	0.000	0.157	0.001  w
CRE (mg/dL)	0.33 ± 0.12	0.38 ± 0.17	0.40 ± 0.2		0.05 ± 0.13	0.07 ± 0.23	0.02 ± 0.16
				𝑃	0.000	0.011	0.968  w
ALT (U/L)	18.6 ± 15.4	34.9 ± 59.0	82.7 ± 393		16.4 ± 51.7	64.2 ± 393.8	47.8 ± 374.8
				𝑃	0.000	0.000	0.048  w
AST (U/L)	37.4 ± 24.2	95.8 ± 105.0	127 ± 679		58.4 ± 101.0	89.9 ± 680.9	31.5 ± 639.2
				𝑃	0.000	0.059	0.000  w
ALB (g/dL)	4.32 ± 0.40	3.86 ± 0.43	4.0 ± 0.38		−0.46 ± 0.49	−0.27 ± 0.45	0.19 ± 0.42
				𝑃	0.000	0.000	0.000  w

SD: standard deviation; 𝑤: wilcoxon test; 𝑒: paired sample 𝑡-test (𝑃<0.005).
RDW: red cell distribution width; WBC: white blood cell; HGB: hemoglobin; RBC: red blood cell; PLT: Platelet; MCV: mean corpuscular volume; BUN: blood urea nitrogen; CRE: creatinine; ALT: alanine aminotransferase; AST: aspartate aminotransferase; ALB: albumin.