Table 1 Summarizing significant and non-significant correlation between thyroid hormones including T3, T4, and TSH with hematological parameters [(blood groups, the counts of RBC and platelet, RBCs indices (Hb, Hct, MCV, MCH, MCHC, and RDW), and WBC parameters (the counts of WBCs, neutrophils, lymphocytes, monocytes, and eosinophils)] as well as inflammatory biomarkers (ESR, CRP, IL-8, and NLR)

Hematological parameters

 Blood groups

  ABO (Mean ± SD)

0.142

0.305

0.337

   A

1.05 ± 0.38

6.63 ± 2.22

20.2 ± 20.83

   B

0.9 ± 0. 41

5.87 ± 2.20

24.53 ± 16.62

   AB

0.72 ± 0.35

5.35 ± 1.46

43.53 ± 37.73

   O

1.1 ± 0.39

6.75 ± 2.17

23.54 ± 28.38

  Rh (Mean ± SD)

0.209

0.630

0.336

  Rh + 

1.02 ± 0.40

6.51 ± 2.22

23.75 ± 25.22

  Rh −

1.18 ± 0.34

6.74 ± 1.67

20.15 ± 1.61

  Lea/Leb (Mean ± SD)

0.092

0.305

0.010

   Lea

0.94 ± 0.44

6.39 ± 2.52

35 ± 33.34

   Leb

1.09 ± 0.35

6.66 ± 1.95

19.90 ± 16.50

 RBCs indices

(Mean ± SD)

  RBCs (cells/mm³)

5.06 ± 0.63

0.878

0.525

0.938

  Hb (g/dL)

14.49 ± 1.58

0.012

0.023

0.017

  Hct (%)

42.94 ± 4.10

0.021

0.026

0.019

  MCV (fL)

85.68 ± 7.61

0.060

0.183

0.144

  MCH (pg/cell)

29.72 ± 2.61

0.032

0.051

0.007

  RDW (%)

12.93 ± 1.10

0.318

0.452

0.109

  MCHC (g/L)

31.51 ± 3.01

0.022

0.802

0.314

 Platelet count

(Mean ± SD)

  Platelets (cells/mm³)

260.47 ± 70.53

0.746

0.709

0.831

  WBCs parameters

(Mean ± SD)

  WBCs (cells/mm³)

7.98 ± 2.53

0.585

0.568

0.909

  Neutrophils (cells/mm³)

57.48 ± 10.03

0.064

0.095

0.070

  Lymphocytes (cells/mm³)

34.45 ± 9.14

0.087

0.082

0.041

  Monocytes (cells/mm³)

6.01 ± 2.35

0.029

0.336

0.445

  Eosinophils (cells/mm³)

1.18 ± 0.84

0.925

0.517

0.675

 Inflammatory biomarkers

(Mean ± SD)

  ESR (mm/h)

14.25 ± 9.45

0.169

0.020

0.169

  CRP (mg/L)

8.15 ± 18.02

0.987

0.481

0.707

  IL-8 (pg/mL)

6.42 ± 8.65

0.217

0.349

0.294

  NLR

1.93 ± 1.06

0.084

0.088

0.068

  Anti-TPO (IU/mL)

5.64 ± 2.21

0.908

0.204

0.447