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. 2020 Jan 7;15:25–31. doi: 10.2147/COPD.S225566

Table 4.

Comparison of Exercise Endurance Between the Two Groups in the Low Exercise Endurance Subgroup

Parameter EECP Group (n=13) Non-EECP Group (n=10) P-value 95% CI
Before After Δ(After–Before) Before After Δ(After–Before)
ATHR (bpm) 99.62±14.34 102.82±14.65 3.23±2.01 100.60±11.43 104.30±11.99 3.70±1.64 0.554 −2.093, 1.155
ATRR (bpm*) 23.46±3.83 24.38±3.89 0.92±0.95 22.20+4.08 24.40±3.17 2.20±1.62 0.028 −2.398, –0.155
ATSBP (mmHg) 142.23±23.85 144.08±22.28 1.85±3.24 148.70±14.10 148.10±13.44 −0.60±4.53 0.145 −0.915, 5.807
ATDBP (mmHg) 77.85±14.11 77.31±10.56 −0.54±4.35 83.40±5.72 86.50±5.80 3.10±4.07 0.054 −7.340, 0.063
Max SBP (mmHg) 170.15±24.49 171.31±21.20 1.15±5.32 186.90±20.09 185.70±19.95 −1.20±2.62 0.214 −1.469, 6.177
Max DBP (mmHg) 87.00±14.05 89.62±11.63 2.62±4.64 95.60±11.63 99.50±10.40 3.90±2.64 0.466 −4.886, 2.316
ATVO2Kg (mL/min·kg) 10.85±2.64 12.69±3.28 1.85±0.90 11.40±2.07 10.60±1.90 −0.80±0.42 0.000 2.004, 3.287
MaxVO2Kg (mL/min·kg) 17.38±6.68 18.38±6.85 1.00±0.91 17.00±1.16 16.00±1.15 −1.00±0.00 0.000 1.396, 2.603
ATVO2puls (mL) 9.85±7.93 10.92±8.30 1.08±0.76 7.90+1.91 7.40±1.58 −0.50±0.53 0.000 0.990, 2.162
ATLoad (watt) 50.85±31.26 55.62±31.60 4.77±2.17 52.70±16.63 50.20±16.16 −2.50±2.17 0.000 5.371, 9.166
ATMets 3.45±1.32 3.75±1.40 0.31±0.14 3.35±0.65 3.38±0.48 0.03±0.22 0.001 0.121, 0.433
MaxMets 5.12±1.85 5.45±2.06 0.34±0.38 4.78±0.83 4.73±0.78 −0.05±0.10 0.005 0.134, 0.643

Abbreviations: EECP, enhanced external counterpulsation; AT, anaerobic threshold; HR, heart rate; RR, respiratory rate; bpm, beats per minute, bpm*, breaths per minute; SBP, systolic blood pressure; DBP, diastolic blood pressure; VO2, oxygen uptake; Mets, metabolic equivalent.