2.10. Objective and Subjective Assessment of PA
PA was conducted using a wrist heart rate monitor (Polar M200 GPS Running Watch, Polar Electro Oy, Finland). Summarised data regarding the patients’ PA for the designated time interval included information related to the measured activity time, the number of recorded steps, the distance travelled based on the number of steps, and the number of calories burned. The measurements were compared with the IPAQ questionnaire completed by the patients and covered a period of 7 days [