Table 6 Correlations between pulmonary function test parameters with haemoglobin level, iron profile, using Pearson correlation coefficient in asthmatic patients (with and without IDA)
From: Iron status and its relation to lung function in pediatric asthmatics: a cross-sectional study
FEV1% of predicted | FVC % of predicted | FEV1/FVC | MMEF 25-75% of predicted | |||||
|---|---|---|---|---|---|---|---|---|
r | p value | r | p value | r | p value | r | p value | |
Hemoglobin level (gm/dl) | 0.245 | 0.097 | 0.126 | 0.401 | 0.146 | 0.327 | 0.363 | 0.012* |
Red blood cell counts | 0.127 | 0.394 | 0.226 | 0.127 | −0.203 | 0.172 | 0.070 | 0.642 |
Transferrin saturation | 0.044 | 0.767 | 0.043 | 0.776 | 0.009 | 0.950 | −0.023 | 0.877 |
Total iron (ug/dl) | −0.046 | 0.757 | 0.038 | 0.798 | 0.108 | 0.469 | −0.012 | 0.934 |
Ferritin (ng/ml) | 0.105 | 0.483 | −0.013 | 0.933 | 0.128 | 0.389 | 0.120 | 0.423 |