Skip to main content

Table 4 Comparing FVC% of never smokers calculated using NHANES III versus ethnicity-specific equations

From: The effect of applying ethnicity-specific spirometric reference equations to Asian migrant workers in Korea

 

Korean (n = 183)

All migrants (n = 88)

East Asian (n = 5)

Southeast Asian (n = 63)

Central Asian (n = 8)

South Asian (n = 12)

NHANES III

92.01 ± 9.33

84.12 ± 11.60

88.84 ± 5.00

84.58 ± 10.52

97.32 ± 7.77

70.97 ± 8.19

Ethnicity-specific

99.68 ± 10.25†

108.63 ± 16.45

104.84 ± 6.59†

114.02 ± 14.87†

100.48 ± 8.32†

87.38 ± 10.98†

Difference (95% CI)

7.67 (7.47–7.88)*

24.51 (22.47–26.55)*

16.00 (13.97–18.02)*

29.44 (28.17–30.71)*

3.16 (2.16–4.17)*

16.40 (14.21–18.60)*

  1. *p value < 0.001 according to paired t-test.
  2. † Calculated using the relevant ethnicity-specific equation.
  3. FVC; Forced vital capacity, NHANES; National Health and Nutrition Examination Survey.
Back to article page

Annals of Occupational and Environmental Medicine

ISSN: 2052-4374

Contact us