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Table 3 Comparing FEV 1 % 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

93.59 ± 9.32

85.33 ± 10.90

89.84 ± 5.75

86.07 ± 10.22

94.38 ± 8.67

73.51 ± 8.22

Ethnicity-specific

99.26 ± 10.06†

103.04 ± 12.48

102.1 ± 6.94†

105.27 ± 12.76†

94.03 ± 8.65†

97.62 ± 11.36†

Difference (95% CI)

5.67 (5.43–5.90)*

17.70 (16.25–19.15)*

12.27 (10.70–13.84)*

19.20 (18.45–19.96)*

−0.35 (−1.16–0.47)

24.11 (22.04–26.18)*

  1. * p value < 0.001 according to paired t-test.
  2. † Calculated using the relevant ethnicity-specific equation.
  3. FEV; Forced expiratory volume, NHANES; National Health and Nutrition Examination Survey.
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Annals of Occupational and Environmental Medicine

ISSN: 2052-4374

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