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. 2021 Sep 3;11:17644. doi: 10.1038/s41598-021-96631-x

Table 3.

Multiple partial correlations (partial r and p values) between the normalised changes in plasma complement component 1q (C1q), apelin and adropin concentrations between before and after 12 weeks of descending stair walking (DSW) training and the normalised changes in resting heart rate (HR), systolic (SBP) and diastolic blood pressure (DBP), the maximal voluntary isometric contraction strength of the knee extensors (MVIC), 30-s chair-stand (CS), 2-min step (2MS), 6-m walk (6 MW), 6-m tendon walk (TW) test performance, balance with eyes open on firm surface (EOFS) and eyes closed on unstable surface (ECUS), upper thigh circumference (CIR), and bone mineral density (BMD) [upper table], and resting glucose (GLU) and insulin (INS) levels, the homeostasis model assessment (HOMA) index, whole blood glycosylated hemoglobin (HbA1c) concentration, oral glucose tolerance test (OGTT) results, total cholesterol (TC) concentration, triacylglycerol (TG) concentration, low- (LDLC) and high-density lipoprotein cholesterols (HDLC) concentrations [lower table] in the participants in the descending stair walking (DSW) group (n = 15).

HR SBP DBP MVIC CS 2MS 6 MW TW EOFS ECUS CIR BMD
C1q r .446 .614 .355 − .837* − .608 − .391 − .873* − .233 .703 .523 − .825* − .929*
p .098 .029 .157 .001 .031 .132  < .001 .259 .012 .061 .002  < .001
Apelin r − .573 − .854* − .783* .565 .594 .211 .750* .279 − .407 − .696 .397 .591
p .042 .001 .004 .044 .035 .279 .006 .217 .122 .013 .128 .036
Adropin r − .122 − .348 − .044 .413 .378 .216 .399 .025 − .736* − .578 .435 .526
p .368 .162 .452 .118 .141 .275 .127 .472 .008 .040 .104 .059
GLU INS HOMA HbA1c OGTT TG TC LDLC HDLC
C1q r .332 .322 .416 .391 .447 .035 .417 .179 − .630
p .174 .182 .116 .132 .097 .462 .115 .310 .025
Apelin r − .185 − − .483 − .406 − .360 − .426 − .316 − .446 − .119 .590
p .304 .079 .122 .153 .110 .187 .098 .371 .036
Adropin r − .723* − .447 − .713* − .471 − .729* − .493 − .863* − .672 .873*
p .009 .098 .010 .085 .008 .074 .001 .017  < .001

*: significant (p ≤ 0.01) correlation.