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The Egyptian Journal of Bronchology

Table 5 Results of spirometry parameters in rheumatoid arthritis patients and control group

From: Relation between pulmonary function tests and ultrasonographic changes of asymptomatic anterior chest wall joints in rheumatoid arthritis patients

 

RA (n = 22)

Control (n = 22)

P

Restrictive

(n = 14) (63.6%)

Non-restrictive

(n = 8) (36.4%)

Range

Mean ± SD

Range

Mean ± SD

Range

Mean ± SD

FEV1% of predicted

71–73

70.4 ± 9.1

91.4–95.9

94.9 ± 25.1

96.1–99.2

98.3 ± 13.09

< 0.05

FEV1/L

1.69–1.83

1.75 ± 0.41

1.91–2.31

2.06 ± 0.55

2.15–2.68

2.45 ± 0.64

FEV1/FVC

106–113

107.9 ± 3.23

84.65–92.11

85.18 ± 7.46

94.1–98.3

95.1 ± 2.4

FVC % of predicted

63–68

65.5 ± 5

85.1–88.3

92.27 ± 22.69

98.56–99.96

99.53 ± 12.12

FVC/L

1.66–1.75

1.69 ± 0.37

2.29–2.31

2.21 ± 0.63

2.61–2.89

2.72 ± 0.66

  1. FEV1 forced expiratory volume in 1 s, FVC forced vital capacity, SD standard deviation
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