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. 2020 Jul 15;9(7):166. doi: 10.3390/biology9070166

Table 3.

Correlations coefficients of plasma biomarkers with walking speed and daily steps count at various time points (N = 64–68/group/time point). The numbers in parenthesis indicate p-values.

Non-COPD COPD GOLD 1 and 2 COPD GOLD 3 and 4 All Participants
Baseline eHSP72 CAF22 Walking speed 0.034 (0.074) 0.027 (0.128) 0.026 (0.094) 0.052 (0.042)
Step count 0.013 (0.127) 0.024 (0.134) 0.041 (0.106) 0.062 (0.055)
Walking speed 0.223 (0.034) 0.151 (0.053) 0.252 (0.024) 0.305 (<0.001)
Step count 0.149 (0.067) 0.212 (0.004) 0.241 (0.003) 0.364 (<0.001)
12-month eHSP72 CAF22 Walking speed 0.038 (0.077) 0.047 (0.113) 0.011 (0.123) 0.082 (0.048)
Step count 0.035 (0.171) 0.106 (0.091) 0.063 (0.137) 0.089 (0.077)
Walking speed 0.161 (0.004) 0.246 (0.014) 0.202 (0.013) 0.395 (<0.001)
Step count 0.217 (0.007) 0.143 (0.003) 0.159 (0.002) 0.263 (<0.001)
24-month eHSP72 CAF22 Walking speed 0.006 (0.186) 0.019 (0.106) 0.055 (0.087) 0.076 (0.076)
Step count 0.024 (0.133) 0.037 (0.119) 0.083 (0.085) 0.183 (0.033)
Walking speed 0.147 (0.003) 0.164 (0.021) 0.123 (0.005) 0.329 (<0.001)
Step count 0.084 (0.041) 0.135 (0.017) 0.117 (0.022) 0.236 (<0.001)