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

Table 4

Comparison of RDW values measured pre- and postoperatively and at the time of discharge in survived and exited patients.

	Alive			Exitus			𝑃 value
	Mean ± SD	Median (Min–Max)		Mean ± SD	Median (Min–Max)
RDW
Preoperative	15.0 ± 3.3	14	12–36	17.0 ± 4.6	16	9–26	0.024
Postoperative	15.7 ± 3.0	15	13–33	19.1 ± 5.9	19	8–30	0.002
Discharge	14.6 ± 2.3	14	11–26	17.8 ± 4.5	17	11–25	0.009

Mann-Whitney 𝑈 Test (𝑃<0.005).
SD: standard deviation; Min: minimum; Max: maximum.