Skip to main content
. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: Ann Surg. 2019 Dec;270(6):1161–1169. doi: 10.1097/SLA.0000000000002772

Table 4:

Cause of death at 30 days, 90 days, 1 year, and 5 years after surgery before/after propensity score matching

At 30 days
 At 90 days
 At 1 year
 At 5 years
MIS Thoracotomy MIS Thoracotomy MIS Thoracotomy MIS Thoracotomy
Before matching n = 607 n = 696 n = 607 n = 696 n = 607 n = 696 n = 607 n = 696
 Any cause of mortality 1 (0.2) 10 (1.4) 3 (0.5) 18 (2.6) 19 (3.1) 69 (9.9) 106 (17.5) 245 (35.2)
 Cause-specific mortality
  Lung cancer specific 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 11 (18) 28 (4.0) 56 (9.2) 125 (18.0)
  Other cancer specific 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.3) 3 (0.4) 14 (2.3) 15 (2.2)
  Noncancer specific 1 (0.2) 10 (1.4) 3 (0.5) 18 (2.6) 3 (0.5) 31 (4.5) 12 (2.0) 51 (7.3)
   Respiratory 0 (0.0) 6 (0.9) 0 (0.0) 11 (16) 0 (0.0) 16 (2.3) 2 (0.3) 24 (3.4)
   Cardiovascular 0 (0.0) 2 (0.3) 1 (0.2) 2 (0.3) 1 (0.2) 3 (0.4) 2 (0.3) 3 (0.4)
   Nervous system 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
   Renal/Urinary tract 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
   Gastrointestinal 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.1) 0 (0.0) 1 (0.1) 1 (0.2) 1 (0.1)
   Other* 1 (0.2) 2 (0.3) 2 (0.3) 4 (0.6) 2 (0.3) 11 (16) 7 (1.2) 23 (3.3)
  Unknown 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 3 (0.5) 7 (1.0) 24 (4.0) 54 (7.8)
After matching n = 338 n = 338 n = 338 n = 338 n = 338 n = 338 n = 338 n = 338
 Any cause of mortality 0 (0.0) 2 (0.6) 1 (0.3) 7 (2.1) 13 (3.8) 19 (5.6) 77 (22.8) 90 (26.6)
 Cause-specific mortality
  Lung cancer specific 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 8 (2.4) 6 (18) 42 (12.4) 46 (13.6)
  Other cancer specific 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.6) 2 (0.6) 11 (3.3) 7 (2.1)
  Noncancer specific 0 (0.0) 2 (0.6) 1 (0.3) 7 (2.1) 1 (0.3) 10 (3.0) 6 (18) 21 (6.2)
   Respiratory 0 (0.0) 2 (0.6) 0 (0.0) 4 (1.2) 0 (0.0) 6 (18) 1 (0.3) 11 (3.3)
   Cardiovascular 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
   Nervous system 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
   Renal/Urinary tract 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
   Gastrointestinal 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.3) 0 (0.0) 1 (0.3) 1 (0.3) 1 (0.3)
   Other* 0 (0.0) 0 (0.0) 1 (0.3) 2 (0.6) 1 (0.3) 3 (0.9) 4 (1.2) 9 (2.7)
  Unknown 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.6) 1 (0.3) 18 (5.3) 16 (4.7)

Data are number (%)

Abbreviations: MIS, minimally invasive surgery

*

Including unknown death within 6 months after the last follow-up, in the absence of recurrence or other malignant disease. Statistic comparison between MIS and thoracotomy after matching is shown in Table 1.