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. Author manuscript; available in PMC: 2014 May 28.
Published in final edited form as: JAMA Surg. 2014 Feb;149(2):177–184. doi: 10.1001/jamasurg.2013.3660

Table 3.

Propensity Score–Matched Perioperative Outcomes Between RC and LC

Outcome LC
(n = 1584)
OC
(n = 1500)
P Value
Mortality, No. (%) 0 (0.0) <11 (0.7) .12
Complications, No. (%) 232 (14.7) 277 (18.2) .26
Ostomy, No. (%) 45 (3.0) 80 (5.1) .18
Conversion to open, No. (%) 90 (5.7) 149 (9.9) .05
LOS, median (IQR), d 4 (2) 4 (3) .008a
Discharge disposition, No. (%)
  Routine discharge 1405 (88.7) 1319 (88.5) .98a
  Transfer to other health care facilities 58 (3.6) 52 (3.5)
  Others 122 (7.7) 120 (8.0)
Overall cost, median (IQR), USD, $ 14 847 (8620) 11 966 (6582) <.001a
Cost per day, median (IQR), USD, $ 3407 (2353) 2617 (1344) <.001a

Abbreviations: IQR, interquartile range; LC, laparoscopic colectomy; LOS, length of stay; RC, robot-assisted colectomy.

a

Statistically significant, with P < .05.