Table 1. Characteristics of Colectomy Procedures.
| Characteristic | Right Hemicolectomy | Sigmoidectomy | Left Hemicolectomy | Other Partial Excision of Large Intestine and Cecectomy | Resection of Transverse Colon | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Laparoscopic | Open | Laparoscopic | Open | Laparoscopic | Open | Laparoscopic | Open | Laparoscopic | Open | |
| No. of patients (n = 229 726) | 55 871 | 65 194 | 30 541 | 35 218 | 8138 | 13 434 | 6772 | 4472 | 3822 | 6264 |
| No. of operative hospitals | 2809 | 3532 | 2514 | 3341 | 1847 | 2798 | 1808 | 1894 | 1373 | 2180 |
| No. of procedures per performing hospital, mean (SD) | 19.89 (27.02) | 18.46 (20.90) | 12.15 (15.11) | 10.54 (11.04) | 4.41 (5.25) | 4.80 (4.89) | 3.75 (4.28) | 2.36 (1.87) | 2.78 (2.60) | 2.87 (2.52) |
| Patient age, mean (SD), y | 74.86 (8.54) | 75.90 (9.59) | 71.55 (8.80) | 73.18 (9.79) | 73.40 (8.75) | 74.28 (9.46) | 72.93 (9.44) | 73.84 (11.21) | 74.75 (8.49) | 75.88 (9.61) |
| Female, No.(%) | 30 243 (54.1) | 37 222 (57.1) | 17 822 (58.4) | 20 029 (56.9) | 4199 (51.6) | 7045 (52.4) | 3696 (54.6) | 2654 (59.4) | 1934 (50.6) | 3655 (58.4) |
| Total Elixhauser score, mean (SD) | 2.14 (1.60) | 2.45 (1.74) | 1.82 (1.46) | 2.11 (1.59) | 2.08 (1.56) | 2.28 (1.64) | 1.92 (1.57) | 2.28 (1.78) | 2.13 (1.68) | 2.41 (1.70) |
| Overall No. of infections, mean (SD) | 2156 (3.9) | 4857 (7.4) | 1265 (4.1) | 2884 (8.2) | 419 (5.1) | 1225 (9.1) | 262 (3.9) | 455 (10.2) | 157 (4.1) | 467 (7.5) |
| Elixhauser group 1 (n = 87 214)a | ||||||||||
| No. of procedures, mean (SD) | 21 616 (38.7) | 21 010 (32.2) | 14 378 (47.1) | 13 921 (39.5) | 3221 (39.6) | 4691 (34.9) | 3082 (45.5) | 1717 (38.4) | 1541 (40.3) | 2037 (32.5) |
| No. of infections, mean (SD) | 843 (3.9) | 1705 (8.1) | 569 (4) | 1158 (8.3) | 169 (5.2) | 442 (9.4) | 111 (3.6) | 191 (11.1) | 64 (4.2) | 164 (8.1) |
| Elixhauser group 2 (n = 57 689)a | ||||||||||
| No. of procedures, mean (SD) | 14 477 (25.9) | 15 710 (24.1) | 7870 (25.8) | 8865 (25.2) | 2174 (26.7) | 3410 (25.4) | 1682 (24.8) | 1006 (22.5) | 967 (25.3) | 1528 (24.4) |
| No. of infections, mean (SD) | 487 (3.4) | 1036 (6.6) | 293 (3.7) | 675 (7.6) | 92 (4.2) | 289 (8.5) | 60 (3.6) | 85 (8.4) | 26 (2.7) | 108 (7.1) |
| Elixhauser group 3 (n = 84 823)a | ||||||||||
| No. of procedures, mean (SD) | 19 778 (35.4) | 28 474 (43.7) | 8293 (27.2) | 12 432 (35.3) | 2743 (33.7) | 5333 (39.7) | 2008 (29.7) | 1749 (39.1) | 1314 (34.4) | 2699 (43.1) |
| No. of infections, mean (SD) | 826 (4.2) | 2116 (7.4) | 403 (4.9) | 1051 (8.5) | 158 (5.8) | 494 (9.3) | 91 (4.5) | 179 (10.2) | 67 (5.1) | 195 (7.2) |
a
Group 1 indicates 0 to 1 comorbidities; group 2, 2 comorbidities; and group 3, 3 to 13 comorbidities.