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. Author manuscript; available in PMC: 2022 Apr 1.
Published in final edited form as: Clin Nutr. 2020 Oct 10;40(4):2270–2277. doi: 10.1016/j.clnu.2020.10.010

Table 2.

Multiple Linear Regression model with 15N-spirulina degradation ratio, a marker of protein digestion and absorption, in Chronic Obstructive Pulmonary Disease patients

Coefficients SE t P value
Intercept −0.8024 [−1.885, 0.280] 0.513 −1.56 0.136
Transcutaneous oxygen saturation [%] 0.0143 [0.002, 0.026] 0.0058 2.48 0.024
Physical Activity Scale for Elderly [score] 0.0011 [0.0001, 0.002] 0.0005 2.31 0.034

R2 (weighted 1/Y2) = 0.524; P = 0.0008