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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 4.

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

Outcome Open VATS Robotic p Valuea p Valueb
Hospital LOS, mean (SD), d 7.4 (6.7)   6.0 (6.3)   6.1 (5.5)   <0.001 0.025
Prolonged LOS, No. (%) 3,467/43,405 (8.0)   600/12,604 (4.8)   210/3,570 (5.9)   <0.001 0.007
Lymph nodes examined, mean (SD), No. 9.6 (7.4)   10.8 (8.6)   9.9 (7.3)   0.003 <0.001
≥12 lymph nodes examined, No. (%) 12,582/42,601 (29.5) 4,199/11,877 (35.4) 1,096/3,423 (32.0) 0.002 <0.001
Positive surgical margin, No. (%) 2,333/45,527 (5.1)   500/12,990 (3.8)   125/3,689 (3.4)   <0.001 0.194
30-day unplanned readmission, No. (%) 2,011/45,342 (4.4)   651/12,969 (5.0)   150/3,680 (4.1)   0.308 0.018
30-day mortality, No. (%) 1,070/43,791 (2.4)   189/12,432 (1.5)   58/3,429 (1.7)   0.006 0.474
90-day mortality, No. (%) 2,013/42,334 (4.8)   349/11,943 (2.9)   97/3,238 (3.0)   <0.001 0.826
a

Open and robotic lobectomy.

b

VATS and robotic lobectomy.

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