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. Author manuscript; available in PMC: 2019 Aug 29.
Published in final edited form as: Ann Thorac Surg. 2017 Jan 18;103(4):1092–1100. doi: 10.1016/j.athoracsur.2016.09.108

Table 5.

Comparison of Outcomes in Propensity-Matched Open, Video-Assisted Thoracic Surgery, and Robotic Lobectomy Patients

Outcome Open VATS Robotic p valuea p valueb
Hospital LOS, mean (SD), d 6.9 (5.7)   5.9 (6.1)   6.1 (5.5)   <0.001 0.019
Prolonged LOS, No. (%) 238/3,514 (6.8)   165/3,588 (4.6)   210/3,570 (5.9)   0.123 0.013
Lymph nodes examined, mean (SD), No. 9.9 (7.5)   10.9 (8.8)   9.9 (7.3)   0.746 <0.001
≥12 lymph nodes examined, No. (%) 1,074/3,432 (31.3) 1,205/3,381 (35.6) 1,096/3,423 (32.0) 0.699 0.005
Positive surgical margin, No. (%) 132/3,689 (3.6)   126/3,689 (3.4)   125/3,689 (3.4)   0.656 0.948
30-day unplanned readmission, No. (%) 146/3,674 (4.0)   170/3,682 (4.6)   150/3,680 (4.1)   0.810 0.258
30-day mortality, No. (%) 64/3,530 (1.8)   51/3,553 (1.4)   58/3,429 (1.7)   0.389 0.545
90-day mortality, No. (%) 117/3,405 (3.4)   95/3,401 (2.8)   97/3,238 (3.0)   0.091 0.877
a

Open and robotic lobectomy.

b

VATS and robotic lobectomy.

LOS = length of stay; VATS = video-assisted thoracic surgery.