Table 2.
Patient, Facility, Procedure, and Anesthesia Characteristics of Endoscopic Procedures Performed in the U.S. from 2010 to 2015 Reported in NACOR Database (N= 428,947)
| PATIENT CHARACTERISTICS | ||
|---|---|---|
|
| ||
| VARIABLE | FREQUENCY n (%) | |
| Age | 18 – 49 | 96,341 (22.5) |
| 50 – 64 | 170,312 (39.7) | |
| 65 – 79 | 123,883 (28.9) | |
| > 80 | 37,307 (8.7) | |
| Missing | 1,104 (0.3) | |
|
| ||
| Sex | Female | 235,684 (54.9) |
| Male | 185,510 (43.3) | |
| Missing | 7,753 (1.8) | |
|
| ||
| ASA | 1 | 58,179 (13.6) |
| 2 | 170,134 (39.7) | |
| 3 | 148,992 (34.7) | |
| >=4 | 21,744 (5.1) | |
| Missing | 29,898 (6.9) | |
|
| ||
| FACILITY CHARACTERISTICS | ||
|
| ||
| Total Unique Facilities | 255 | |
|
| ||
| US Region | Northeast | 188,991 (44.0) |
| South | 117,148 (27.3) | |
| Midwest | 102,800 (24.0) | |
| West | 15,23 (3.6) | |
| Missing | 4,778 (1.1) | |
|
| ||
| Facility Type | University Hospital | 79,469 (17.4) |
| Large Community Hospital | 38,299 (9.0) | |
| Medium Community Hospital | 135,084 (31.5) | |
| Small Community Hospital | 12,630 (2.9) | |
| Surgical Center | 33,924 (7.9) | |
| Specialty Hospital/ Other Unspecified | 129,613 (30.2) | |
| Missing | 4,778 (1.1) | |
|
| ||
| Facility Case Volume * | Low (0–9) | 146,990 (34.3) |
| Medium (10–27) | 121,588 (28.3) | |
| High (>27) | 132,314 (30.9) | |
| Missing | 28,055 (6.5) | |
|
| ||
| PROCEDURE CHARACTERISTICS | ||
|
| ||
| Procedure Type | Colonoscopy | 220,500 (51.4) |
| EGD | 160,649 (37.4) | |
| ERCP | 27,721 (6.5) | |
| EUS | 12,246 (2.8) | |
| Flexible Sigmoidoscopy | 5,397 (1.3) | |
| Enteroscopy | 2,434 (0.6) | |
|
| ||
| Outpatient vs. Inpatient | Outpatient | 255,962 (59.7) |
| Inpatient | 77,187 (18.0) | |
| Missing | 95,798 (22.3) | |
|
| ||
| Procedure Status | Elective | 418,337 (97.5) |
| Emergency | 10,610 (2.5) | |
|
| ||
| Day of Week | Weekday | 401,116 (93.5) |
| Weekend | 27,831 (6.5) | |
|
| ||
| Shift | Daytime (7:00–17:00) | 384,684 (89.7) |
| After hours (17:01–06:59) | 44,263 (10.3) | |
|
| ||
| Holiday § | Non-Holiday | 416,163 (97.0) |
| U.S. Holiday | 12,784 (3.0) | |
|
| ||
| ANESTHESIA CHARACTERISTICS | ||
|
| ||
| Anesthesia Type | General | 157,506 (36.7) |
| MAC / Sedation | 230,889 (53.8) | |
| Missing | 40,552 (9.5) | |
|
| ||
| Case Duration (Minutes) + | Short (1–26) | 123,972 (28.9) |
| Medium (27–40) | 123,307 (28.8) | |
| Long (>40) | 119,395 (27.8) | |
| Missing | 62,273 (14.5) | |
Facility case volume defined as number of concurrent cases with anesthesia services taking place at the facility at the time of procedure.
Holiday defined as 11 U.S Government defined holiday including New Year’s Day, Martin Luther King Day, Easter, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans Day, Thanksgiving, Christmas.
Case duration defined as anesthesia start time to end time.
Abbreviations: American Society of Anesthesiologists (ASA); Esophagogastroduodenoscopy (EGD); Endoscopic retrograde cholangiopancreatography (ERCP); Endoscopic ultrasound (EUS); Monitored anesthesia care (MAC)