Table 3.
Utilization of HA-CMC in patients who underwent colectomy.
| Colectomy (unmatched) | Colectomy (propensity score matched) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No | Yes | No | Yes | |||||||
|
|
||||||||||
| N | (%) | N | (%) | p-value | N | (%) | N | (%) | p-value | |
| 245,757 | (91.9) | 21,611 | (8.1) | 43,222 | 21,611 | |||||
| Age | <0.0001 | 0.52 | ||||||||
| <60 | 89,870 | (36.6) | 9046 | (41.9) | 17,979 | (41.6) | 9046 | (41.9) | ||
| ≥60 | 155,887 | (63.4) | 12,565 | (58.1) | 25,243 | (58.4) | 12,565 | (58.1) | ||
| Gender | 0.0003 | 0.89 | ||||||||
| Male | 113,479 | (46.2) | 9705 | (44.9) | 19,385 | (44.9) | 9705 | (44.9) | ||
| Female | 132,278 | (53.8) | 11,906 | (55.1) | 23,837 | (55.2) | 11,906 | (55.1) | ||
| Race | <0.0001 | <0.0001 | ||||||||
| White | 171,615 | (69.8) | 15,392 | (71.2) | 31,678 | (73.3) | 15,392 | (71.2) | ||
| Black | 25,699 | (10.5) | 2374 | (11.0) | 4432 | (10.3) | 2374 | (11.0) | ||
| Other | 48,435 | (19.7) | 3843 | (17.8) | 7112 | (16.5) | 3845 | (17.8) | ||
| Unknown | 8 | 0 | 2 | 0 | ||||||
| Year of diagnosis | <0.0001 | 0.98 | ||||||||
| 2000 | 3094 | (1.3) | 203 | (0.9) | 400 | (0.9) | 203 | (0.9) | ||
| 2001 | 5793 | (2.4) | 391 | (1.8) | 723 | (1.7) | 391 | (1.8) | ||
| 2002 | 15,197 | (6.2) | 782 | (3.6) | 1535 | (3.6) | 782 | (3.6) | ||
| 2003 | 27,834 | (11.3) | 1729 | (8.0) | 3379 | (7.8) | 1729 | (8.0) | ||
| 2004 | 29,010 | (11.8) | 2124 | (9.8) | 4255 | (9.8) | 2124 | (9.8) | ||
| 2005 | 30,241 | (12.3) | 2403 | (11.1) | 4836 | (11.2) | 2403 | (11.1) | ||
| 2006 | 34,719 | (14.1) | 3023 | (14.0) | 6068 | (14.0) | 3023 | (14.0) | ||
| 2007 | 35,081 | (14.3) | 3222 | (14.9) | 6457 | (14.9) | 3222 | (14.9) | ||
| 2008 | 33,129 | (13.5) | 3541 | (16.4) | 7192 | (16.6) | 3541 | (16.4) | ||
| 2009 | 25,737 | (10.5) | 3357 | (15.5) | 6703 | (15.5) | 3357 | (15.5) | ||
| 2010 | 5922 | (2.4) | 836 | (3.9) | 1674 | (3.9) | 836 | (3.9) | ||
| Insurance | <0.0001 | 0.02 | ||||||||
| Commercial | 94,841 | (38.6) | 9499 | (44.0) | 19,083 | (44.2) | 9499 | (44.0) | ||
| Medicare | 127,445 | (51.9) | 10,004 | (46.3) | 20,272 | (46.9) | 10,004 | (46.3) | ||
| Medicaid | 10,115 | (4.1) | 901 | (4.2) | 1637 | (3.8) | 901 | (4.2) | ||
| Uninsured | 8217 | (3.3) | 741 | (3.4) | 1363 | (3.2) | 741 | (3.4) | ||
| Unknown | 5139 | (2.1) | 466 | (2.2) | 867 | (2.0) | 466 | (2.2) | ||
| Marital status | <0.0001 | 0.01 | ||||||||
| Married | 124,545 | (50.7) | 11,190 | (51.8) | 22,859 | (52.9) | 11,190 | (51.8) | ||
| Single | 33,720 | (13.7) | 3213 | (14.9) | 6135 | (14.2) | 3213 | (14.9) | ||
| Unknown | 87,492 | (35.6) | 7208 | (33.4) | 14,228 | (32.9) | 7208 | (33.4) | ||
| Area of residence | <0.0001 | 0.22 | ||||||||
| Metropolitan | 220,996 | (89.9) | 20,055 | (92.8) | 39,995 | (92.5) | 20,055 | (92.8) | ||
| Non-metropolitan | 24,761 | (10.1) | 1556 | (7.2) | 3227 | (7.5) | 1556 | (7.2) | ||
| Region | <0.0001 | 0.002 | ||||||||
| Eastern | 37,121 | (15.1) | 4756 | (22.0) | 9975 | (23.1) | 4756 | (22.0) | ||
| Midwest | 49,948 | (20.3) | 3956 | (18.3) | 7942 | (18.4) | 3956 | (18.3) | ||
| Southern | 118,970 | (48.4) | 10,381 | (48.0) | 20,589 | (47.6) | 10,381 | (48.0) | ||
| Western | 39,718 | (16.2) | 2518 | (11.7) | 4716 | (10.9) | 2518 | (11.7) | ||
| Cancer | <0.0001 | 0.87 | ||||||||
| No | 165,694 | (67.4) | 15,473 | (71.6) | 30,920 | (71.5) | 15,473 | (71.6) | ||
| Yes | 80,063 | (32.6) | 6138 | (28.4) | 12,302 | (28.5) | 6138 | (28.4) | ||
| Comorbidity | <0.0001 | 0.34 | ||||||||
| 0 | 70,925 | (28.9) | 6685 | (30.9) | 13,505 | (31.3) | 6685 | (30.9) | ||
| 1 | 46,657 | (19.0) | 4241 | (19.6) | 8280 | (19.2) | 4241 | (19.6) | ||
| ≥2 | 128,175 | (52.2) | 10,685 | (49.4) | 21,437 | (49.6) | 10,685 | (49.4) | ||
| Hospital type | <0.0001 | 0.35 | ||||||||
| Non-teaching | 144,267 | (58.7) | 10,327 | (47.8) | 20,485 | (47.4) | 10,327 | (47.8) | ||
| Teaching | 101,490 | (41.3) | 11,284 | (52.2) | 22,737 | (52.6) | 11,284 | (52.2) | ||
| Hospital size | <0.0001 | 0.18 | ||||||||
| <400 beds | 117,538 | (47.8) | 8977 | (41.5) | 18,075 | (41.8) | 8977 | (41.5) | ||
| 400–600 beds | 74,554 | (30.3) | 7843 | (36.3) | 15,382 | (35.6) | 7843 | (36.3) | ||
| >600 beds | 53,665 | (21.8) | 4791 | (22.2) | 9765 | (22.6) | 4791 | (22.2) | ||
| Hospital volume | <0.0001 | 0.16 | ||||||||
| Low | 72,061 | (29.3) | 5828 | (27.0) | 11,837 | (27.4) | 5828 | (27.0) | ||
| Intermediate | 84,449 | (34.4) | 6796 | (31.5) | 13,278 | (30.7) | 6796 | (31.5) | ||
| High | 89,247 | (36.3) | 8987 | (41.6) | 18107 | (41.9) | 8987 | (41.6) | ||
| Surgeon volume | <0.0001 | 0.77 | ||||||||
| Low | 79,622 | (32.4) | 6515 | (30.2) | 13,177 | (30.5) | 6515 | (30.2) | ||
| Intermediate | 81,883 | (33.3) | 7431 | (34.4) | 14,843 | (34.3) | 7431 | (34.4) | ||
| High | 77,837 | (31.7) | 7175 | (33.2) | 14,207 | (32.9) | 7175 | (33.2) | ||
| Unknown | 6415 | (2.6) | 490 | (2.3) | 995 | (2.3) | 490 | (2.3) | ||
| Other procedures | ||||||||||
| Small bowel resection | 14,593 | (5.9) | 1610 | (7.5) | <0.0001 | 2887 | (6.7) | 1610 | (7.5) | 0.0003 |
| Lysis of adhesion | 35,810 | (14.6) | 4690 | (21.7) | <0.0001 | 8790 | (20.3) | 4690 | (21.7) | <0.0001 |