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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: Ann Surg. 2021 Aug 1;274(2):199–205. doi: 10.1097/SLA.0000000000004726

Table 2:

Characteristics of hospitals, by enhanced recovery protocol adoption. Bed size and teaching status are presented as N (%) and comparisons evaluated with chi-squared tests. Procedural volume is presented as mean (standard deviation) and compared using t-test.

Non-ERP hospitals N=38 ERP hospitals N=24 p-value
<300 beds 28 (74%) 7 (29%) 0.002
300–499 beds 7 (18%) 10 (42%)
≥500 beds 3 (8%) 7 (29%)
Academic/Teaching 1 (3%) 7 (29%) 0.002
Community/Non-Academic 37 (97%) 17 (71%)
Annual colectomy volume (in MVC claims) 24 (16) 60 (51) <0.001