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Table 2 Independent t test for hematological parameters among the IDA and Non-IDA groups at Tikur Anbessa Specialized Teaching Hospital from April to July 2016

From: Effect of iron deficiency anemia on HbA1c in diabetic patients at Tikur Anbessa specialized teaching hospital, Addis Ababa Ethiopia

Parameters IDA Non-IDA t-test
95% CI
P-value Lower Upper
RBC 3.45 ± 0.80 4.91 ± 0.39 .000 − 1.65032 − 1.26945
Hgb 9.97 ± 2.04 15.17 ± 1.21 .000 − 5.7010 −4.6944
HCT 30.43 ± 6.37 45.29 ± 3.53 .000 − 16.4000 −13.3126
MCV 88.5 ± 8.56 92.12 ± 3.76 .001 −5.5368 −1.5759
MCH 29.89 ± 4.04 30.93 ± 1.62 .027 −1.9672 −.1224
MCHC 32.97 ± 2.19 33.57 ± 0.99 .022 −1.1073 −.0881
RDW 19.08 ± 4.24 14.42 ± 1.66 .000 3.7013 5.6297
HbA1c 6.18 ± 1.57 7.74 ± 1.81 .000 −2.05946 −1.04169