Journal Article
Research Support, Non-U.S. Gov't
Add like
Add dislike
Add to saved papers

Study of parents of β-thalassemia major children to determine cutoff values of hematological parameters for diagnosis of β-thalassemia trait and assessment of anemia in them.

BACKGROUND: Because of the overlapping MCV, MCH and HbA 2 values in BTT and non-BTT subjects our laboratory determined own cutoffs.

AIMS: To establish cutoff values by investigating the parents of thalassemia major children and to assess the degree of anemia in BTT subjects.

MATERIALS AND METHODS: Study includes 179 parents of thalassemia major children (BTT cases) and 287 non-BTT controls. Samples were analyzed on an electronic hematology analyzer. The samples having MCV ≤ 76 fl and MCH ≤ 27 pg were quantified for HbA 2 by cellulose acetate electrophoresis and grey zone samples were confirmed on HPLC. Statistical Analysis Mean ± SD, sensitivity, specificity, PPV, NPV and accuracy were calculated. The histograms were plotted for MCV, MCH and HbA 2 .

RESULTS: Cases having MCV ≤ 76 fl and MCH ≤ 27 pg if considered as suspected cases of BTT then we could have missed five known BTT samples. Sensitivity increased to 100% in all three diagnostic parameters when the cutoff values were raised and specificity for MCV and MCH was decreased. But specificity was 100% with raised cutoff for HbA 2 . Hb and HCT mean values were significantly reduced in BTT cases compared to controls (P < 0.001). In 100% females and 84.9% males having BTT, mild to moderate anemia was observed.

CONCLUSION: In our setup, the cutoff values are MCV (≤78.0 fl), MCH (≤28 pg) and HbA 2 (>3.8%) for BTT diagnosis and there is a mild to moderate anemia in BTT cases.

Full text links

We have located links that may give you full text access.
Can't access the paper?
Try logging in through your university/institutional subscription. For a smoother one-click institutional access experience, please use our mobile app.

Related Resources

For the best experience, use the Read mobile app

Mobile app image

Get seemless 1-tap access through your institution/university

For the best experience, use the Read mobile app

All material on this website is protected by copyright, Copyright © 1994-2024 by WebMD LLC.
This website also contains material copyrighted by 3rd parties.

By using this service, you agree to our terms of use and privacy policy.

Your Privacy Choices Toggle icon

You can now claim free CME credits for this literature searchClaim now

Get seemless 1-tap access through your institution/university

For the best experience, use the Read mobile app