Table 3. Correlations between inflammatory cytokines and measures of adiposity and muscle characteristics (with and without controlling for FM) in young and older persons combined.
| Variable |
Cytokine |
|||||
|---|---|---|---|---|---|---|
| IL-6 | IL-6(FM) | IL-1β | MCP1 | MIP-1α | MIP-1β | |
| BMI (kg m-2) | r=0.326; P=0.008 | r=−0.318; P=0.005 | r=0.251; P=0.047 | r=−0.209; P=0.074 | ||
| BF% | r=0.357; P=0.003 | r=−0.332; P=0.003 | r=0.297; P=0.018 | r=−0.378; P=0.001 | ||
| FM (kg) | r=0.380; P=0.002 | r=−0.335; P=0.003 | r=0.341; P=0.006 | r=−0.306; P=0.008 | ||
| VA (%) | r=−0.370; P=0.002 | r=−0.311; P=0.022 | r=0.234; P=0.046 | |||
| ikMVC (N·m) | r=−0.279; P=0.024 | r=−0.317; P=0.020 | ||||
| ikMVC/Vm (N·m cm-3) | r=−0.355; P=0.008 | r=−0.260; P=0.057 | r=0.258; P=0.038 | r=0.238; P=0.068 | ||
| ikMVC/BM (N·mkg-1) | r=−0.470; P<0.001 | r=−0.344; P=0.011 | r=0.267; P=0.022 | |||
| iMVC/BM (N·mkg-1) | r=−0.455; P<0.001 | r=−0.307; P=0.024 | r=0.271; P=0.018 | r=0.258; P=0.027 | ||
| iMVC/Vm (N·m cm-3) | r=−0.257; P=0.058) | |||||
| GM Vm (cm3) | r=0.267; P=0.032 | |||||
| GM PCSA (cm2) | r=0.216; P=0.084 | |||||
Abbreviations: BF, body fat; BM, body mass; BMI, body mass index; FM, fat mass; GM Vm, gastrocnemius medialis muscle volume; ikMVC, isokinetic maximum voluntary contraction; IL, interleukun; iMVC, isometric maximum voluntary contraction; PCSA, physiological cross-sectional area; VA, voluntary muscle activation.
Inverse correlations are indicated in bold.