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Table 3 Results of correlation analysis: room air temperature

From: Visual information without thermal energy may induce thermoregulatory-like cardiovascular responses

Indices Intra-individual correlation coefficients(r) P value for null hypothesis is that common coefficienta = 0 Significance
ΔHR -0.149 0.103  
ΔSV +0.179 0.049 **
ΔCO +0.131 0.152  
ΔSBP +0.046 0.614  
ΔDBP +0.016 0.860  
ΔMBP +0.032 0.725  
ΔTPR -0.052 0.571  
ΔHF +0.089 0.331  
ΔLF +0.159 0.082 *
ΔVLF -0.082 0.373  
Thermal sensation +0.218 0.016 **
  1. Correlation coefficients between each index and room air temperature. Positive correlations mean the warmer the temperature, the greater the indices. *P <0.1; **P <0.05. Changes from baseline: ΔHR, heart rate; ΔSV, stroke volume; ΔCO, cardiac output; ΔSBP, systolic blood pressure; ΔDBP, diastolic blood pressure; ΔMBP, mean blood pressure; ΔTPR, total peripheral resistance; ΔHF, high frequency HRV; ΔLF, low frequency HRV; and ΔVLF, very low frequency of HRV. HRV, heart rate variability.