Table 2 Summary of spirometry and oscillometry measures.

From: Novel approach to studying effects of inhalational exposure on lung function in civilians exposed to the World Trade Center disaster

 

Overall

Group 1

Group 2

Group 3

Group 4

Group 5

p-value

Spirometry measures, n

2826

1084

489

413

215

625

 

% Predicted FEV1, mean ± SD

89.0 ± 17.9

87.6 ± 18.1

89.1 ± 17.6

88.2 ± 18.4

91.5 ± 17.4

91.0 ± 17.1

0.001

% Predicted FVC, mean ± SD

92.4 ± 16.3

90.7 ± 16.1

93.3 ± 16.1

91.4 ± 15.8

95.6 ± 16.4

93.9 ± 16.6

 < 0.001

FEV1/FVC ratio, mean ± SD

75.6 ± 9.0

75.3 ± 9.2

74.6 ± 9.0

75.3 ± 9.9

75.8 ± 8.8

76.9 ± 8.0

 < 0.001

Oscillometry measures, n

2734

1062

474

403

206

589

 

R5, cmH2O L–1 s, median (IQR)

4.60 (3.59, 5.93)

4.66 (3.65, 6.03)

4.46 (3.49, 5.66)

4.49 (3.58, 5.66)

4.47 (3.42, 5.87)

4.68 (3.68, 6.16)

0.018

R5–20, cmH2O L–1 s, median (IQR)

1.03 (0.57, 1.74)

1.12 (0.66, 1.84)

0.94 (0.47, 1.59)

1.02 (0.59, 1.54)

0.94 (0.41, 1.69)

1.00 (0.55, 1.81)

 < 0.001

AX, median (IQR)

6.91 (3.36, 14.28)

8.19 (3.90, 15.48)

5.88 (2.91, 12.85)

6.93 (3.54, 13.14)

6.12 (2.30, 13.09)

6.27 (3.01, 15.17)

 < 0.001

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