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Table 1 Comparison between groups 1 and 2 regarding pulmonary function test parameters

From: Iron status and its relation to lung function in pediatric asthmatics: a cross-sectional study

Pulmonary function test parameters

Asthmatics without IDA Group 1 (n=33)

Asthmatics with IDA Group 2 n=17)

p value

FEV1a% of predicted

Mean ± SD

93.45 ± 15.51

80.62 ± 18.13

0.012*

Range

58–125.7

57–112.6

FVC of % predicted

Mean ± SD

95.92 ± 12.58

93.18 ± 12.31

0.467

Range

75.1–124

80–125.2

FEV1/FVC

Mean ± SD

87.68 ± 10.81

78.36 ± 11.22

0.006**

Range

58–113.9

54–96

MMEF 25–75% of predicted

Mean ± SD

82.10 ± 24.74

62.35 ± 26.67

0.012*

Range

19.3–132.8

16–105

FEV1 % of predicted interpretation

Normal

27 (81.8%)

8 (47.1%)

0.011*

Decreased

6 (18.2%)

9 (52.9%)

FVC of % predicted interpretation

Normal

31 (93.9%)

17 (100.0%)

0.300

Decreased

2 (6.1%)

0 (0.0%)

FEV1/FVC interpretation

Normal

28 (84.8%)

7 (41.2 %)

0.019*

Decreased

5 (15.2%)

10 (58.8 %)

MMEF 25-75% of predicted interpretation

Normal

29 (87.9%)

8 (47%)

0.018*

Decreased

4 (12.1%)

9 (53%)

  1. *p value <0.05 significant; **p value< 0.01, highly significant; IDA, iron deficiency anaemia; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; MMEF, maximal mid-expiratory flow