Table 2.
Comparison of examination results between the two groups at baseline
| Items | Group A, mean ± S | Group B, mean ± S | t test | P value |
|---|---|---|---|---|
| SBP@baseline (mmHg) | 125.47 ± 16.19 | 128.26 ± 13.89 | − 0.813 | 0.419 |
| DBP@baseline (mmHg) | 76.56 ± 12.35 | 77.74 ± 10.81 | − 0.450 | 0.654 |
| HGB(g/L) | 148.14 ± 11.82 | 142.28 ± 17.11 | 1.768 | 0.081 |
| Blood glucose (mmol/L) | 6.45 ± 1.58 | 6.91 ± 1.82 | − 1.276 | 0.205 |
| TC(mmol/L) | 3.42 ± 0.93 | 3.54 ± 0.94 | − 0.631 | 0.530 |
| TG (mmol/L) | 1.68 ± 1.07 | 1.85 ± 1.02 | − 0.762 | − 0.448 |
| LDL-C (mmol/L) | 1.96 ± 0.69 | 2.07 ± 0.83 | − 0.678 | 0.500 |
| HDL-C (mmol/L) | 1.04 ± 0.27 | 0.98 ± 0.20 | 1.051 | 0.296 |
| ALT (U/L) | 28.58 ± 12.78 | 25.35 ± 16.10 | 1.059 | 0.293 |
| AST (U/L) | 25.16 ± 20.22 | 21.57 ± 11.69 | 1.040 | 0.301 |
| Scr (μmol/L) | 88.12 ± 15.47 | 87.66 ± 15.41 | 0.131 | 0.896 |
| UA (μmol/L) | 334.63 ± 123.42 | 323.64 ± 138.70 | 0.375 | 0.709 |
| LAD (mm) | 34.70 ± 6.21 | 35.14 ± 5.74 | − 0.344 | 0.731 |
| LAA (cm2) | 18.92 ± 3.07 | 19.11 ± 3.11 | − 0.285 | 0.777 |
| LVEDd (mm) | 49.99 ± 5.43 | 49.43 ± 4.92 | 0.503 | 0.616 |
| LVEDs (mm) | 32.22 ± 7.00 | 31.03 ± 6.32 | 0.832 | 0.408 |
| LAP (mmHg) | 9.61 ± 2.65 | 10.32 ± 3.50 | − 1.072 | 0.287 |
| EF (%) | 63.98 ± 10.70 | 66.25 ± 9.06 | − 1.075 | 0.285 |
| VO2peak (mL/kg/min) | 20.40 ± 4.57 | 18.83 ± 3.98 | 1.771 | 0.080 |
| VO2peak pred% | 67.45 ± 13.48 | 64.02 ± 13.36 | 1.230 | 0.222 |
| HRpeak (bpm) | 130.77 ± 16.52 | 123.93 ± 17.5 | 1.946 | 0.055 |
| VO2/HR@VO2peak | 12.09 ± 2.76 | 11.62 ± 2.86 | 0.798 | 0.427 |
| SBP@VO2peak (mmHg) | 170.29 ± 32.36 | 174.20 ± 30.96 | − 0.591 | 0.556 |
| DBP@VO2peak (mmHg) | 77.42 ± 10.34 | 76.16 ± 13.50 | 0.504 | 0.615 |
| AT (mL/kg/min) | 12.35 ± 2.75 | 11.60 ± 2.47 | 1.398 | 0.165 |
| HR@AT (bpm) | 103.15 ± 12.78 | 100.75 ± 11.67 | 0.933 | 0.353 |
| VO2/HR@AT | 9.29 ± 2.01 | 8.74 ± 2.27 | 1.199 | 0.549 |
| VE/VCO2@AT | 28.50 ± 3.63 | 29.89 ± 3.71 | − 1.810 | 0.074 |
| VE/VCO2 slope | 28.41 ± 4.98 | 29.87 ± 4.39 | − 1.494 | 0.139 |
| OUES | 1679.85 ± 419.08 | 1578.35 ± 368.37 | 1.234 | 0.221 |
Quantitative variables are expressed as mean ± standard deviation in normal distributions. SBP, systolic blood pressure; DBG, diastolic blood pressure; HGB, hemoglobin; TC, total cholesterol; TG, triglyceride; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; Scr, serum creatinine; UA, uric acid; LAD, left atrial diameter; LAA, left atrial area. LVEDd, end-diastolic diameter of left ventricle; LVEDs, end-systolic diameter of left ventricle; LAP, left atrial pressure; EF, ejection fraction; VO2peak, peak oxygen uptake: VO2peak pred%, percentage of predicted peak oxygen uptake; HRpeak, peak heart rate; VO2/HR, oxygen pulse; AT, anaerobic threshold; HR@AT, heart rate at anaerobic threshold; VE/VCO2, ventilatory equivalent for carbon dioxide; VE/VCO2 slope, the relationship between change in V̇E and V̇CO2 during incremental exercise; OUES, oxygen uptake efficiency slope