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. 2018 Feb;10(2):991–998. doi: 10.21037/jtd.2018.01.63

Table 1. Characteristics of the patients.

Variable Segmentectomy (n=173) Wedge resection (n=181) P value
Age (years, mean ± SD) 57.2±8.9 62.6±10.2 0.01
Sex (male/female) 65/108 70/111 0.61
Comorbidity 52 (30.1%) 70 (38.7%) 0.31
   COPD 9 11
   Hypertension 15 21
   Diabetes mellitus 16 18
   Stroke 3 9
   Coronary artery disease 8 8
   Renal dysfunction 1 3
Noguchi type 0.11
   A, B 77 (44.5%) 88 (48.6%)
   C, D, E 96 (55.5%) 93 (51.4%)
Tumor type 0.32
   GGO type 102 (59.0%) 99 (54.7%)
   Solid type 71 (41.0%) 82 (45.3%)
Tumor size (cm, mean ± SD) 1.3±0.5 1.2±0.5 0.21
Tumor location 0.77
   Left upper lobe 49 51
   Left lower lobe 44 44
   Right upper lobe 33 35
   Right middle, lower lobe 47 51

COPD, chronic obstructive pulmonary disease; GGO, Ground glass opacity.