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Table 3 Multiple regression analysis of predictors of the 6MWD (m)

From: Association between peripheral muscle strength, exercise performance, and physical activity in daily life in patients with Chronic Obstructive Pulmonary Disease

Model 1 Coefficient B Std. Error Coefficient β t p
Residual 434.893 162.825   2.67 0.014
Quadriceps muscle strength (Nm) 10.02 3.96 0.42 2.53 0.019
FEV1 (% predicted) 2.29 1.04 0.371 2.20 0.038
Age (years) -4.30 2.56 -0.28 -1.68 0.107
  1. 6MWD, 6-minute walk distance; FEV1, forced expiratory volume in one second (r2 = 0.524).