Table 1.
Characteristics of Patients with benign nodules
| Number (%) or Mean (SD) (n=65) |
|
|---|---|
| Age (years) | 52 (13.6) |
| Gender: | |
| Male | 32 (49%) |
| Female | 33 (51%) |
| BMI | 29 (5.7) |
| Smoking History: | |
| Never smoked | 23 (35%) |
| Current smoker | 7 (11%) |
| Former smoker | 35 (54%) |
| Pack-years a | 38.5 (26.3) |
| Pre-op hemoptysis | 4 (6%) |
| Pre-op cancer diagnosis (extra-thoracic) | 17 (26%) |
| Zubrod Performance Score b | 0.48 (0.62) |
| Pre-op ASA: | |
| Class I, healthy | 9 (14%) |
| Class II, mild systemic disease | 24 (37%) |
| Class III, severe systemic disease, function-limiting | 30 (46%) |
| Class IV, severe systemic disease, life-threatening | 2 (3%) |
| FEV1 c | |
| Pre-op predicted (%) | 82 (23) |
| Pre-op actual (L/Sec) | 2.7 (0.93) |
| Thoracic operation: | |
| Sublobar resection (wedge or segmentectomy) | 54 (83%) |
| Lobectomy | 9 (14%) |
| Other d | 2 (3%) |
| VATS e | 43 (66%) |
ASA = American Society of Anesthesiologists; BMI = body mass index; FEV1 = forced expiratory volume in 1 second; SD = standard deviation; VATS = video-assisted thoracoscopic surgery
a
Mean over all ever-smokers
b
SD with 2 missing
c
SD with 15 missing
d
1 thoracotomy with multiple core needle biopsies and 1 thoracotomy with excision of a nodal mass within the left upper lobe
e
VATS with 42 wedge resections and 1 lobectomy