Table 3: Concordant result of CBC indices to HbA2 electrophoresis among pregnant women () in Jatinangor Puskesmas, West Java, Indonesia.

IndicesHbA2
< 3.5
(n 17)
HbA2
≥ 3.5
(n 6)
Total

RBC count
 IDA < 5175220.228
 Susp. β-TT > 511
MCV
 IDA >76153180.232
 Susp. β-TT < 76235
MCH
 IDA > 24143170.203
 Susp. β-TT < 24336
Shine & Lal
 IDA > 1530133160.251
 Susp. β-TT < 1530437
Mentzer
 IDA > 13175220.228
 Susp. β-TT < 1311
Srivastava
 IDA > 38175220.228
 Susp. β-TT < 3811
Ehsani
 IDA > 15175220.228
 Susp. β-TT < 1511
Sirdah
 IDA > 27175220.228
 Susp. β-TT < 2711
Engels Fraser
 IDA < 017623n.d.
 Susp. β-TT > 0

Note. Susp. β-TT, suspect β-thalassemia trait; IDA, iron deficiency anemia; K, Cohen’s kappa. The indices with high suspect β-thalassemia trait cases.
Formula to calculate indices as shown in the bracket: index of Shine & Lal (), Mentzer (MCV/RBC), Srivastava (MCH/RBC), Engels Frase (), Ehsani (), Sirdah ().