Fig. 3
From: Physiologic responses to exercise in survivors of critical illness: an exploratory pilot study
Correlation plots of oxygen utilization measures and 6-min walk test. Measures of oxygen utilization during exercise and in recovery in CPET are strongly associated with distance walked (m) during 6-min walk test. A and B Demonstrate correlations between 6-min walk distance and VO2-work rate slope and with VO2 recovery t1/2. All correlations calculated using Pearson’s correlation coefficient