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. Author manuscript; available in PMC: 2021 Mar 1.
Published in final edited form as: J Vasc Surg. 2019 Dec 23;71(3):988–1001. doi: 10.1016/j.jvs.2019.05.058

Table IV.

Six-month changes in six-minute walk distance and maximal treadmill walking distance among PAD participants randomized to a control group, according to presence vs. absence of intermittent claudication symptoms

Participants with intermittent claudication symptoms (N=58) Participants without intermittent claudication symptoms (N=137)
Six month change in six-minute walk distance −3.0 meters (95% CI: −19.0, +13.0) −13.3 meters (95% CI: −23.1, −3.4)
Six-month change in maximal treadmill walking distance +38.7 meters (95% CI: −3.0, +80) +24.2 meters (95% CI: +1.3, +47.1)
Difference in six month change between six-minute walk distance and maximal treadmill walking distance −35.9 meters (95% CI:−75, +3.6) −40.0 meters (95% CI: −63.9, −16.2)

CI = Confidence interval