Journal of Hematology, ISSN 1927-1212 print, 1927-1220 online, Open Access
Article copyright, the authors; Journal compilation copyright, J Hematol and Elmer Press Inc
Journal website http://www.thejh.org

Original Article

Volume 7, Number 2, May 2018, pages 62-68


Protein C and Anti-Thrombin-III Deficiency in Children With Beta-Thalassemia

Figures

Figure 1.
Figure 1. Normal and below normal protein C levels in patients and control group.
Figure 2.
Figure 2. Median levels of protein C in both patients and control.
Figure 3.
Figure 3. Mean values of AT-III in both patients and control group.
Figure 4.
Figure 4. Normal and below normal values of both patients and control groups.

Tables

Table 1. Clinical and Laboratory Characteristics of Thalassemia Patients Group
 
DataPatients (N = 60), no. (%)
Data are expressed as mean ± SD, median (min. - max). INR: international normalized ratio.
Age
  Median (min. - max.)9.12 (2.50 - 17.00)
  ≤ 10 years43 (71.7%)
  > 10 years17 (28.3%)
Sex
  Male28 (46.7%)
  Female32 (53.3%)
Type of β-thalassemia
  β-thalassemia major35 (58.3%)
  β-thalassemia intermedia25 (41.7%)
Splenectomy
  Yes30 (50%)
  No30 (50%)
Albumin, g/dL4.5 ± 0.41
INR1.2 ± 0.22
Sr. creatinine, mg/dL0.51 ± 0.15
Sr. ferritin, ng/mL992 (134 - 9,267)
No. of patient, ferritin < 1,000 ng/mL32
No. of patient, ferritin≥ 1,000 ng/mL28
Protein C, %82.50 (32 - 175)
Anti-thrombin III, mg/L237.52 ± 53.19

 

Table 2. Protein C and AT-III in Both Patients and Healthy Groups
 
Natural anticoagulantPatients (N = 60)Healthy children (N = 35)P value
Data are expressed as mean ± SD, median (min. - max.) or number and %. *Means statistically significant. AT-III: anti-thrombin III.
Protein C
  N (72-160%)82.50 (32 - 175)104 (60 - 204)0.041*
  Low (≤ 72%)13 (21.7%)2 (5.7%)0.04*
  Normal (> 72%)47 (78.3%)33 (94.3%)
AT-III
  N (200 - 400 mg/L)237.52 ± 53.19322.99 ± 56.57≤ 0.001*
  Low (≤ 200 mg/L)12 (20.0%)0 (0%)0.005*
  Normal (> 200 mg/L)48 (80.0%)35 (100%)

 

Table 3. Protein C and AT-III in Comparison to Other Clinical Laboratory Criteria
 
CriteriaNo. of patientsProtein C, %P valueAT-III, mg/LP value
*P value is significant. Data are expressed as median (min. - max.) and mean ± SD.
Sex0.410.15
  Male2886.5 (32 - 175)226.84 ± 58.92
  Female3282 (36 - 132)246.24 ± 46.24
Age0.02*0.64
  ≤ 10 years3195(32 - 175)240.28 ± 46.48
  > 10 years2975 (50 - 133)233.88 ± 59.82
Thalassemia subtype0.590.21
  β-thalassemia major3581 (32 - 167)229.97 ± 51.21
  β-thalassemia intermedia2583 (36 - 175)247.30 ± 54.80
Splenectomy0.011*0.04*
  Yes3075 (32 - 131)223.53 ± 61.09
  No3097.5 (36 - 175)250.84 ± 39.93
Ferritin (ng/mL)0.780.56
  < 1,0003290.5 (32 - 175)240.95 ± 47.32
  ≥ 1,0002877 (36 - 165)232.89 ± 59.39

 

Table 4. Correlation Between Protein C, AT-III and Different Clinical and Laboratory Characteristics of the Patients Group
 
Laboratory criteriaProtein CAT-III
rPrP
Pearson correlation was used to correlate parametric data, while Spearman correlation was used to correlate non-parametric data. *P value is significant.
Age/years-0.3520.006*-0.2740.034*
Duration/years-0.3990.002*-0.3760.003*
SGOT, U/L-0.1640.211-0.4290.001*
SGPT, U/L-0.2640.041*-0.3850.002*
Albumin, g/dL0.2780.032*0.3550.005*
STB, mg/dL-0.2750.033*-0.2210.089
SDB, mg/dL-0.2390.066-0.3130.015*
INR-0.2720.036*-0.4200.001*
Ferritin, ng/mL-0.1680.801-0.1410.281