Research Article
Staffing at Ambulatory Endoscopy Centers in the United States: Practice, Trends, and Rationale
Table 1
Characteristics of endoscopy units surveyed.
| | Range | Mean |
| | Number of procedure rooms | 2–5 | 3.4 | | Number of procedures performed in a month | 220–1350 | 796 | | Percent of procedures that are | | | | Upper endoscopies | 20–50% | 32% | | Colonoscopies | 50–90% | 68% | | Others | 0–3% | <1% | | ASA classification of patients | | | | ASA 1 | 20–35% | 24% | | ASA 2 | 25–60% | 41% | | ASA 3 | 15–45% | 35% | | ASA 4 | 0-1% | <1% | | Percent of procedures in an endoscopy unit with an anesthesia specialist | 0%–100% | 72% |
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