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Table 1 Characteristics of the study cohort

From: Three-dimensional printing technology for localised thoracoscopic segmental resection for lung cancer: a quasi-randomised clinical trial

  Experimental group A (n = 51) Control group B (n = 38) Total (n = 89) T/ χ2 value p value
Age [year, average age (± SD)] 60.73 ± 5.643 61.61 ± 6.445 61.10 ± 5.979 -0.685 0.495
Gender
 Male [no. of cases (%)] 21 (41.2) 14 (36.8) 35 (39.3) 0.171 0.679
 Female [no. of cases (%)] 30 (58.8) 24 (63.2) 54 (60.7)
History of smoking
 Smoker [no. of cases (%)] 17 (33.3) 11 (28.9) 28 (31.5) 0.194 0.659
 Non-smoker [no. of cases (%)] 34 (66.7) 27 (71.1) 61 (68.5)
Position (no. of cases, proportion %)
 Left lung 18 (35.3) 13 (34.2) 31 (34.8) 0.011 0.915
 Right lung 33 (64.7) 25 (65.8) 58 (65.2)
 LS1 + 2 3 (5.9) 2 (5.3) 5 (5.6) 0.829 1.000
 LS1 + 2 + 3 3 (5.9) 3 (7.9) 6 (6.7)
 LS4 + 5 3 (5.9) 2 (5.3) 5 (5.6)
 L3 2 (3.9) 1 (2.6) 3 (3.4)
 L6 2 (3.9) 2 (5.3) 4 (4.5)
 L basal segment 5 (9.8) 3 (7.9) 8 (9.0)
 RS1 6 (11.8) 4 (10.5) 10 (11.2)
 RS1 + 2 7 (13.7) 5 (13.2) 12 (13.5)
 RS3 3 (5.9) 2 (5.3) 5 (5.6)
 RS6 5 (9.8) 3 (7.9) 8 (9.0)
 R basal segment 12 (23.5) 11 (28.9) 23 (25.8)