TABLE 2.

Medical Characteristics of Sample (n = 342)

Characteristic	n	%
Time since surgical resection (M = 3.5 y, SD = 1.2)
1–<2 y	37	10.8
2–<3 y	99	28.9
3–<4 y	88	25.7
4–<5 y	75	21.9
5–<6 y	43	12.6
Missing (n)	(0)
Type of surgical resection
Wedge	40	11.7
Segmentectomy	30	8.8
Lobectomy	258	75.4
Bilobectomy	8	2.4
Pneumonectomy	6	1.7
Missing (n)	(0)
Preoperative dyspnea
No	270	78.9
Yes	72	21.1
Missing (n)	(0)
Preoperative FEV1% (M = 89.0, SD = 20.3)
Severe (<50%)	12	3.6
Moderate (50–69%)	48	14.4
Mild (70%+)	273	82.0
Missing (n)	(9)
Preoperative diffusing capacity % (M = 83.7, SD = 25.8)
Severe (<50%)	17	5.5
Moderate (50–69%)	67	21.6
Mild (70%+)	226	72.9
Missing (n)	(32)
Video-assisted thoracic surgery (VATS) only
Yes	61	18.0
No	280	82.0
Missing (n)	(1)
Preoperative body mass index (BMI) (M = 26.8, SD = 4.9)
<18.5 (underweight)	6	1.7
18.5–24.9 (normal)	133	38.9
25–29.9 (overweight)	125	36.5
≥30 (obese)	78	22.8
Missing (n)	(0)
Cardiac comorbidities
Atrial fibrillation	9	3.4
Angina	2	0.8
Coronary artery bypass graft	10	3.8
Hypertension	74	28.0
Myocardial infarction	11	4.2
Coronary angioplasty	4	1.5
Valvular condition	2	0.8
None	159	57.6
Missing (n)	(78)
Pulmonary comorbidities
Asthma	21	6.2
COPD	79	23.1
Tuberculosis	1	0.3
None	240	70.4
Missing (n)	(1)
Current smoking status
Current smoker	19	5.5
Former smoker	268	78.4
Never smoker	55	16.1
Missing (n)	(0)
Moderate or strenuous physical activity
Any moderate/strenuous	164	47.9
None	178	52.1
Missing (n)	(0)
Psychological distress
HADS depression (≥8)	32	9.4
HADS anxiety (≥8)	69	20.2
Missing (n)	(0)

BDI, Baseline Dyspnea Index; HADS, Hospital Anxiety and Depression Scale.