Fig. 2From: Preoperative walking recommendation for non-cardiac surgery patients to reduce the length of hospital stay: a randomized control trialTime median (minutes/week) of physical activity measured using accelerometers, by intensity and group. Estimations are based on 20 patients for each group. Intensity: low (1.5—3.0 MET), moderate (3.1—6.0 MET), and vigorous (6.1—9.0 MET). p values estimated were obtained via the Kruskal–Wallis testBack to article page