Skip to main content
. 2018 Dec 26;154(4):295–303. doi: 10.1001/jamasurg.2018.4872

Table 1. Patient Preoperative Demographic and Clinical Information.

Characteristic No. of Patients P Value
Total (n = 200) Template-Guided Group (n = 100) CT-Guided Group (n = 100)
Age, mean (SD), y 53 (13) 54 (15) 52 (11) .45
Sex
Men 53 26 27 .87
Women 147 74 73
Smoking history
No 142 70 72 .76
Yes 58 30 28
BMI, mean (SD) 22.9 (2.8) 22.8 (2.8) 22.9 (2.9) .86
FEV1 (% predicted), mean (SD) 94.0 (13.8) 94.3 (14.6) 93.6 (13.0) .71
Nodule location
RUL 64 38 26 .23
RML 14 5 9
RLL 43 17 26
LUL 47 25 22
LLL 32 15 17
Nodule size, mean (SD), mm 9.7 (2.9) 10.1 (3.0) 9.2 (2.7) .03
Distance from pleura, mean (range), mm 7.8 (0.0-43.9) 8.5 (0.0-43.9) 6.5 (0.0-35.9) .20
Nodule type
Pure GGO 96 41 55 .09
Mixed GGO 85 50 35
Solid 19 9 10

Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); CT, computed tomography; FEV1, forced expiratory volume in 1 s; GGO, ground glass opacity; LLL, left lower lobe; LUL, left upper lobe; RLL, right lower lobe; RML, right middle lobe; RUL, right upper lobe.