A descriptive characteristics form, the General Comfort Scale and Quality of Life Index Cardiac Version-IV was used to collect data.

General Comfort Questionnaire (GCQ) was used to measure comfort level of older people. The GCQ involves 48 items and a 4-point Likert structure that evaluates comfort dimension and level. Dimensions of comfort include physical (12 items), psycho-spiritual (13 items), environmental (13 items), and sociocultural dimensions (10 items). The comfort levels include relief (16 items), ease (17 items), and transcendence (15 items). the scores that can be obtained from the scale range from 48 to 192. The mean value is determined by dividing the total scores obtained by the number of scale items. Comfort points range from 1 (low comfort) to 4 (high comfort).

The Turkish Quality of Life Index (QLI) Cardiac Version-IV was used to measure quality of life (QoL) level of older people. The scale consists of two fundamental section, each with 35 questions, and the 6-point Likert scale. The scale has four main dimension: health and function, socio-economic, psychosocial/spiritual and family. When scoring the scale, it was scored separately for each subsection. Each answer given in relation to the satisfaction and importance section was multiplied by each other. Then, all the results on the satisfaction and importance questions were added. The possible score after this process was between -15 and +15 values. To remove the negativity of this score, 15 was added to the possible score obtained for each individual. In the scoring of the QLI Cardiac Version-IV, total score of 0 to 30 is obtained for each individual. Higher scores indicate better QoL