| Cost analysis | | L | R | value |
| Right colectomies 15L/17R | Total hospital cost | 5,474–16,280 | 6,105–$28,304 | 0.430 | Total OR Cost | 3,050–5,826 | 4,435–8,175 | <0.000 | OR personnel cost | 621–1,982 | 1,560–2,869 | <0.000 | OR supply cost | 1,210–2,851 | 2,317–4,287 | <0.000 | OR time cost | 588–1,849 | 1,164–2,391 | <0.000 |
| Sigmoid colectomies 12L/13R | Total hospital cost | 5,312–47,651 | 6,569–$52,042 | 0.735 | Total OR Cost | 3,041–9,368 | 4,579–$9,147 | 0.068 | OR personnel cost | 754–3,327 | 1,614–$3,223 | 0.024 | OR supply cost | 966–4,645 | 2,392–4,780 | 0.003 | OR time cost | 760–1,505 | 979–2,810 | 0.519 |
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