Table 1

Age, sex and race specific coefficients used to predict FEV1 for the equations of Hankinson et al. [18]a
Sex Race Age b0 b1 b2 b3
Male Caucasian <20 −0.7453 −0.04106 0.004477 0.00014098
20+ 0.5536 −0.01303 −0.000172 0.00014098
African-American <20 −0.7048 −0.05711 0.004316 0.00013194
20+ 0.3411 −0.02309 0 0.00013194
Mexican-American <20 −0.8218 −0.04248 0.004291 0.00015104
20+ 0.6306 −0.02928 0 0.00015104
Female Caucasian <18 −0.8710 0.06537 0 0.00011496
18+ 0.4333 −0.00361 −0.000194 0.00011496
African-American <18 −0.9630 0.05799 0 0.00010846
18+ 0.3433 −0.01283 −0.000097 0.00010846
Mexican-American <18 −0.9641 0.06490 0 0.00012154
18+ 0.4529 −0.01178 −0.000113 0.00012154

a The equation is of the form: FEV1 (predicted) = b0 + b1 age(years) + b2 age(years)2 + b3 height(cm)2. The coefficients are taken from Tables 4 and 5 of Hankinson et al.[18].

Fry et al.

Fry et al. BMC Cancer 2012 12:498   doi:10.1186/1471-2407-12-498

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