TABLE 2.
Outpatient colonoscopy procedure and patient characteristics by provider types
| Endoscopist volume |
Facility type |
|||
|---|---|---|---|---|
| <300 | ≥300 | ASC | HOPD | |
| Procedure | ||||
| Simple colonoscopy | 242,955 (41.70) | 784,560 (45.28) | 573,670 (44.96) | 453,845 (43.68) |
| Cold biopsy forceps | 78,834 (13.53) | 213,833 (12.34) | 177,131 (13.88) | 115,536 (11.12) |
| Polypectomy by ablation | 17,439 (2.99) | 34,585 (2.00) | 21,951 (1.72) | 30,073 (2.89) |
| Polypectomy by hot biopsy forceps or bipolar cautery | 97,432 (16.72) | 248,718 (14.36) | 186,310 (14.6) | 159,840 (15.38) |
| Polypectomy by snare | 91,309 (15.67) | 311,768 (18.00) | 222,696 (17.45) | 180,381 (17.36) |
| Complex colonoscopy | 54,645 (9.38) | 139,048 (8.03) | 94,247 (7.39) | 99,446 (9.57) |
| Patient characteristics | ||||
| Age, y | ||||
| 19-49 | 106,835 (18.34) | 289,200 (16.69) | 194,408 (15.24) | 201,627 (19.40) |
| 50-64 | 187,788 (32.23) | 641,008 (37.00) | 445,121 (34.88) | 383,675 (36.92) |
| 65-74 | 160,243 (27.50) | 463,992 (26.78) | 369,189 (28.93) | 255,046 (24.54) |
| 75-84 | 109,174 (18.74) | 295,416 (17.05) | 234,769 (18.40) | 169,821 (16.34) |
| >85 | 18,574 (3.19) | 42,896 (2.48) | 32,518 (2.55) | 28,952 (2.79) |
| Sex | ||||
| Female | 310,138 (53.23) | 944,295 (54.50) | 694,127 (54.40) | 560,306 (53.92) |
| Race | ||||
| White | 436,163 (74.86) | 1,387,613 (80.09) | 990,628 (77.64) | 833,148 (80.18) |
| Hispanic | 53,418 (9.17) | 128,989 (7.45) | 96,269 (7.54) | 86,138 (8.29) |
| Black/African American | 37,183 (6.38) | 95,230 (5.50) | 57,568 (4.51) | 74,845 (7.20) |
| Other/unknown | 55,850 (9.59) | 120,680 (6.97) | 131,540 (10.31) | 44,990 (4.33) |
| Risk score | ||||
| ≥1 | 424,552 (72.87) | 1,221,831 (70.52) | 885,271 (69.38) | 761,112 (73.25) |
| Insurance type | ||||
| Medicare | 228,503 (39.22) | 663,585 (38.3) | 533,864 (41.84) | 358,224 (34.47) |
| Medicare HMO | 30,808 (5.29) | 65,329 (3.77) | 28,020 (2.20) | 68,117 (6.56) |
| Medicaid | 9185 (1.58) | 14,865 (0.86) | 10,882 (0.85) | 13,168 (1.27) |
| Medicaid HMO | 3386 (0.58) | 6436 (0.37) | 2164 (0.17) | 7658 (0.74) |
| Indemnity | 93,389 (16.03) | 359,450 (20.75) | 356,018 (27.9) | 96,821 (9.32) |
| Commercial HMO | 95,798 (16.44) | 314,744 (18.17) | 178,455 (13.99) | 232,087 (22.33) |
| Commercial PPO | 89,555 (15.37) | 253,884 (14.65) | 124,918 (9.79) | 218,521 (21.03) |
| Self-pay/charity | 11,453 (1.97) | 20,915 (1.21) | 10,600 (0.83) | 21,768 (2.09) |
| Other payers | 20,537 (3.52) | 33,304 (1.92) | 31,084 (2.44) | 22,757 (2.19) |
ASC, Ambulatory surgery center; HOPD, hospital outpatient department; HMO, health maintenance organization; PPO, preferred provider organization.