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Table 4 Differences in aortic pulse wave velocity, physical activity and exercise capacity among all patients, responders, and non-responders between pre, the end of PR and six weeks later

From: Pulmonary rehabilitation, physical activity and aortic stiffness in COPD

All participantsRespondersNon-responders
OutcomesPre PR (n = 54)Post PR (n = 54)At 6 weeks (n = 29)PaPbPre PR (n = 30)Post PR (n = 30)At 6 weeks (n = 13)PaPbpre PR (n = 24)Post PR (n = 24)At 6 weeks (n = 16)PaPbPc
aPWV m/s11.34 ± 2.3311.14 ± 2.5810.98 ± 2.620.340.3711.58 ± 2.4310.44 ± 2.2010.16 ± 2.61< 0.0010.7611.04 ± 2.2012.01 ± 2.8011.66 ± 2.490.010.170.05
ISWT m254.1 ± 116.64305.1 ± 115.0299.0 ± 99.0< 0.0010.86263.6 ± 121.0322.5 ± 120.4332.1 ± 99.8< 0.0010.55242.1 ± 112.3283.3 ± 106.3270.0 ± 91.2< 0.0010.770.10
OutcomesDuring PR (n = 54)During 6 weeks following PR (n = 29)PdDuring PR (n = 30)During 6 weeks following PR (n = 13)PdDuring PR (n = 24)During 6 weeks following PR (n = 16)PdPc
PA step/day4376 ± 27194228 ± 23140.195235 ± 27235576 ± 20210.383355 ± 23903255 ± 20440.370.01
  1. Data are presented as mean (SD). aPWV aortic Pulse Wave Velocity, ISWT incremental shuttle walk test, PA average physical activity
  2. a = pre versus post; b post versus six weeks; c responders versus non-responders at the six week time point; d during PR versus during follow up