Assessing the economic advantage of laparoscopic vs. open approaches for colorectal cancer by a propensity score matching analysis

Abstract

Purposes

This study investigated the surgical outcomes and potential economic advantage of open vs. laparoscopic surgery for colorectal cancer using a propensity score matching analysis.

Methods

We examined the surgical and economic outcomes of patients undergoing laparoscopic (N = 127) and open surgery (N = 253) for colorectal cancer and then compared these outcomes in two groups (N = 103 each) using a propensity score matching analysis.

Results

Compared to open surgery, the laparoscopic approach was associated with a significantly lower overall morbidity rate (14 vs. 40%; P < 0.001) and shorter mean (± standard deviation) postoperative hospital stay (12.6 ± 8.3 vs. 16.8 ± 9.9 days, respectively; P = 0.001). Despite generating higher mean surgical costs (Japanese yen) (985,000 ± 215,000 vs. 812,000 ± 222,000 yen; P < 0.001), utilizing a laparoscopic approach significantly reduced the non-surgical costs (773,000 ± 440,000 vs. 1075,000 ± 508,000 yen; P < 0.001). The mean total cost of laparoscopic-assisted surgery (1758,000 ± 576,000 yen) was decreased by approximately 130,000 yen compared with open surgery (1886,000 ± 619,000 yen), although the difference was not statistically significant (P = 0.125).

Conclusions

Laparoscopic surgery for colorectal cancer is advantageous in reducing morbidity and facilitating an early discharge and does not increase hospital costs. These findings are consistent with the general consensus supporting the benefits of laparoscopic surgery as a minimally invasive approach.

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