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. 2015 Oct;7(10):1719–1724. doi: 10.3978/j.issn.2072-1439.2015.09.12

Table 1. Clinical, surgical and pathological characteristics: population analyzed and groups of interest.

Variable N [%] Digital group, 40 patients [%] Traditional group, 40 patients [%] P*
Age/years, mean (SD) 68 (8.1) 69 (7.9) 67 (8.3) 0.234~
Gender/male 48 [60] 24 [60] 24 [60] 1
Side/right 49 [61] 20 [50] 29 [73] 0.037
Smoker/yes 49 [61] 24 [60] 25 [63] 0.818
BMI/mean (SD) 25.5 (3.6) 25.4 (3.8) 25.7 (3.7) 0.602~
FEV1/<80% of predicted 20 [25] 10 [25] 10 [25] 1
Preoperative treatment 6 [8] 3 [8] 3 [8] 0.691
Size/mm, mean [SD] 28 [16] 29 [18] 27 [14] 0.525~
pTNM/69 patients 0.873
   Ia-Ib 41 [59] 20 [57] 21 [62]
   IIa-IIb 18 [26] 11 [31] 7 [21]
   IIIa-IIIb 10 [14] 4 [11] 6 [18]
Surgical resection 0.444
   Lobectomy 63 [79] 32 [80] 31 [78]
   Wedge/segmentectomy 14 [18] 6 [15] 8 [20]
   Bilobectomy 3 [4] 2 [5] 1 [3]

*, Logistic regression; ~, Wilcoxon-Mann-Whitney test. SD, standard deviation; BMI, body mass index; FEV1, forced expiratory volume in the first second.