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Table 2 The prevalence of ID/IDA and the comparison of hemoglobin, hematocrit, iron, ferritin, MCV, and RDW levels between age groups in ASD patients

From: Iron deficiency parameters in autism spectrum disorder: clinical correlates and associated factors

 

< 6 years, N = 46

N (%)

> 6 years, N = 54

N (%)

RR (95% CI)

p*

ID

13 (28.2)

12 (22.2)

1.27 (0.64–2.50)

0.487

IDA

5 (10.8)

8 (14.8)

0.73 (0.25–2.08)

0.559

 

Mean (SD)

Mean (SD)

d

p**

Hemoglobin

12.18 (0.92)

13.06 (1.16)

0.840

0.000

Hematocrit

35.05 (2.45)

37.60 (5.63)

0.587

0.006

Iron

55.93 (27.62)

63.60 (30.06)

0.265

0.190

Ferritin

23.75 (17.33)

31.31 (24.96)

0.351

0.087

MCV

70.58 (9.99)

77.37 (5.21)

0.852

0.000

RDW

15.57 (8.41)

13.93 (1.11)

− 0.273

0.161

  1. RR relative risk
  2. d Cohen’s d
  3. *Chi-Square test was used, **Independent-Samples t test was used