Reduced exercise capacity and self-perceived health status in high-risk patients undergoing lung resection

Table 1 Baseline characteristics of the groups

		Low-risk group, n = 39	High-risk group, n = 44	Control group, n = 32	F
Age in yr		52.18 (13.91)	69.91 (7.97)	48.44 (13.57)	37.171a,c
Sex, % males		31.88	42.03	26.09	0.704
BMI		27.08 (5.02)	26.50 (4.56)	26.08 (4.42)	0.405
Length of hospital stay		6.56 (1.82)	6.95 (2.03)	-	0.362
Charlson index		4.10 (2.38)	4.93 (2.43)	1.38 (1.60)	22.861b,c
Operation duration in min		208.79 (86.34)	208.81 (52.29)	-	0.999
Surgical procedure, %VATS		74.5	72.4	-	0.722
Spirometric parameters	FEV1	2.71 (0.83)	1.60 (0.50)	2.88 (0.86)	18.301a,c
	FVC	3.57 (1.02)	2.5 (1.05)	3.59 (0.92)	8.605a,c
HADS	Anxiety	3.95 (2.71)	4.64 (2.95)	2.38 (2.94)	5.866b,c
	Depression	0.92 (1.49)	4.36 (3.84)	0.31 (0.78)	28.964a,b,c
	Total	4.87 (3.34)	9 (5.65)	2.69 (3.59)	20.253a,b,c

Variables are expressed as mean (SD) or percentage.

^aSignificant differences between low-risk and high-risk groups.

^bSignificant differences between low-risk group and control group.

^cSignificant differences between high-risk group and control group. BMI: Body mass index; FEV₁: Forced expiratory volume in 1 s; FVC: Forced vital capacity; HADS: Hospital Anxiety and Depression Scale; VATS: Video-assisted thoracic surgery.