Table 4.

Characteristics of interviewed patients.

Interviewee number	Gender	Age (years)	Type of surgery	ASAa	Length of hospital stay (days)	Missing data (%)	SUSb score
1	Male	69	HIPECc (open)	1	11	69.4 (reason unknown)	70
2	Female	61	Lobectomy (VATSd)	2	3	63.3 (PAMe lost)	90
3	Male	66	Lobectomy (VATS)	2	11	0	85
4	Male	77	Lobectomy (VATS)	2	4	34 (connection lost between PAM and smartphone)	97.5
5	Male	56	Lobectomy (open)	2	7	34.7 (no connection between PAM and smartphone)	67.5
6	Male	73	Lobectomy (open)	2	5	26.5 (low battery)	92.5

^aASA: American Society of Anesthesiologists.

^bSUS: System Usability Scale.

^cHIPEC: hyperthermic intraperitoneal chemotherapy.

^dVATS: video-assisted thoracic surgery.

^ePAM: Physical Activity Monitor.