showed a trendP = 0.095
In univariable logistic regression analysis, both REI and ODI showed a trend of association with advanced-stage lung cancer (odds ratio [OR] = 1.06, 95% CI 1.00–1.14, P = 0.095; and OR = 1.06, 95% CI 1.01–1.15, P = 0.059, respectively; Table 2 ).