Supplementary Table 2.
Characteristics of Participating Endoscopy Units Based on Baseline Total Number of Procedures Performed
| Variable | Total |
Volume of procedures performed in a year |
P valuea | ||
|---|---|---|---|---|---|
| (N = 252) | Tertile 1 (<24,99) (n = 74) | Tertile 2 (2500 to 6999) (n = 93) | Tertile 3 (7000 to 150,000) (n = 85) | ||
| Continent | .001 | ||||
| Africa, n (%) | 23 (9.1) | 12 (16.2) | 10 (10.8) | 1 (1.2) | |
| Asia, n (%) | 138 (54.8) | 44 (59.5) | 45 (48.4) | 49 (57.6) | |
| Europe, n (%) | 35 (13.9) | 4 (5.4) | 11 (11.8) | 20 (23.5) | |
| North America, n (%) | 32 (12.7) | 9 (12.2) | 12 (12.9) | 11 (12.9) | |
| Oceania, n (%) | 5 (2.0) | 0 (0.0) | 4 (4.3) | 1 (1.2) | |
| South America, n (%) | 19 (7.5) | 5 (6.8) | 11 (11.8) | 3 (3.5) | |
| Volume of procedures performed in your center in a year | <.001 K | ||||
| Mean ± SD | 8212.1 ± 1513 | 1092.0 ± 635.9 | 4253.2 ± 1233.8 | 18742.2 ± 22540.5 | |
| Median (IQR) | 5000.0 (2000.0–9000.0) | 1000.0 (600.0–1500.0) | 4000.0 (3000.0–5000.0) | 12000.0 (9000.0–20000.0) | |
| Sum | 2,069,447 | 80,806.0 | 395,550.0 | 1,593,091 | |
| Volume of procedures performed during COVID | <.001 K | ||||
| Mean ± SD | 1833.7 ± 8166.5 | 206.3 ± 304.0 | 665.1 ± 872.1 | 4529.1 ± 13681.1 | |
| Median (IQR) | 500.0 (125.0–1500.0) | 102.5 (25.0–240.0) | 400.0 (150.0–750.0) | 1875.0 (900.0–3600.0) | |
| Sum | 462086.7 | 15263.1 | 61850.5 | 384973.1 | |
| Total number of endoscopists in your unit | <.001 K | ||||
| Mean ± SD | 11.0 ± 14.4 | 8.0 ± 18.2 | 8.3 ± 7.6 | 16.5 ± 15.0 | |
| Median (IQR) | 7.0 (3.0–13.0) | 3.0 (2.0–8.0) | 6.0 (4.0–10.0) | 12.0 (8.0–20.0) | |
| Total number of endoscopy nurses in your unit | <.001 K | ||||
| Mean ± SD | 11.8 ± 14.8 | 5.1 ± 6.9 | 9.4 ± 11.0 | 20.2 ± 19.0 | |
| Median (IQR) | 6.5 (3.0–15.0) | 3.0 (2.0–6.0) | 6.0 (3.0–11.0) | 16.0 (8.0–25.0) | |
| Total number of endoscopy technicians in your unit | <.001 K | ||||
| Mean ± SD | 5.2 ± 7.8 | 3.3 ± 6.2 | 3.6 ± 2.9 | 8.5 ± 11.1 | |
| Median (IQR) | 3.0 (1.0–6.0) | 2.0 (1.0–3.0) | 3.0 (2.0–5.0) | 5.0 (3.0–10.0) | |
| Procedures performed in your center since COVID infection in your region compared with baseline, % | .048 K | ||||
| Mean ± SD | 17.1 ± 17.6 | 17.9 ± 19.7 | 14.7 ± 16.4 | 19.0 ± 16.9 | |
| Median (IQR) | 10.0 (5.0–20.0) | 10.0 (5.0–25.0) | 10.0 (5.0–20.0) | 15.0 (7.0–25.0) | |
| EGD/EUS/ERCP procedures during COVID-19 compared with baseline, % | <.001 K | ||||
| Mean ± SD | 18.8 ± 20.7 | 16.2 ± 21.2 | 16.9 ± 20.2 | 23.0 ± 20.4 | |
| Median (IQR) | 10.0 (5.0–25.0) | 10.0 (2.0–20.0) | 10.0 (3.0–20.0) | 19.0 (10.0–30.0) | |
| Colonoscopy/sigmoidoscopy procedures performed during COVID compared to baseline | .033 K | ||||
| Mean ± SD | 15.2 ± 18.9 | 15.8 ± 20.6 | 12.8 ± 17.2 | 17.3 ± 19.2 | |
| Median (IQR) | 10.0 (3.0–20.0) | 8.5 (2.0–20.0) | 5.0 (2.0–15.0) | 10.0 (5.0–20.0) | |
| PPE for colonoscopy/sigmoidoscopy | |||||
| Face mask/surgical mask, n (%) | 182 (72.2) | 50 (67.6) | 72 (77.4) | 60 (70.6) | .338 |
| PAPR, n (%) | 36 (14.3) | 10 (13.5) | 14 (15.1) | 12 (14.1) | .959 |
| N95, n (%) | 167 (66.3) | 49 (66.2) | 61 (65.6) | 57 (67.1) | .978 |
| None, n (%) | 5 (2.0) | 3 (4.1) | 2 (2.2) | 0 (0.0) | .231 |
| Gloves, n (%) | 242 (96.0) | 70 (94.6) | 90 (96.8) | 82 (96.5) | .782 |
| Gown, n (%) | 230 (91.3) | 66 (89.2) | 83 (89.2) | 81 (95.3) | .271 |
| Goggles, n (%) | 194 (77.0) | 51 (68.9) | 77 (82.8) | 66 (77.6) | .104 |
| How often used?, % | .832 K | ||||
| Mean ± SD | 92.9 ± 20.7 | 89.3 ± 27.9 | 93.5 ± 19.4 | 95.4 ± 13.2 | |
| Median (IQR) | 100.0 (100.0–100.0) | 100.0 (99.0–100.0) | 100.0 (100.0–100.0) | 100.0 (100.0–100.0) | |
| Missing | 79 | 23 | 28 | 28 | |
| PPE for upper endoscopy (EGD/EUS/ERCP) | |||||
| Face mask/surgical mask, n (%) | 166 (65.9) | 46 (62.2) | 66 (71.0) | 54 (63.5) | .420 |
| PAPR, n (%) | 39 (15.5) | 12 (16.2) | 15 (16.1) | 12 (14.1) | .913 |
| N95, n (%) | 193 (76.6) | 57 (77.0) | 69 (74.2) | 67 (78.8) | .762 |
| None, n (%) | 7 (2.8) | 4 (5.4) | 2 (2.2) | 1 (1.2) | .300 |
| Gloves, n (%) | 242 (96.0) | 70 (94.6) | 90 (96.8) | 82 (96.5) | .782 |
| Gown, n (%) | 232 (92.1) | 67 (90.5) | 85 (91.4) | 80 (94.1) | .676 |
| Goggles, n (%) | 211 (83.7) | 61 (82.4) | 81 (87.1) | 69 (81.2) | .529 |
| How often used?, % | .880 K | ||||
| Mean ± SD | 94.8 ± 17.9 | 92.0 ± 26.1 | 95.7 ± 14.6 | 96.4 ± 11.4 | |
| Median (IQR) | 100.0 (100.0–100.0) | 100.0 (100.0–100.0) | 100.0 (100.0–100.0) | 100.0 (100.0–100.0) | |
| Missing | 54 | 16 | 20 | 18 | |
| Did any of your endoscopy staff have COVID-19 infection?, n (%) | 34 (13.5) | 2 (2.7) | 9 (9.7) | 23 (27.1) | <.001 |
| Endoscopy staff with COVID-19 infection who needed hospitalization, % | .582 K | ||||
| Mean ± SD | 7.9 ± 23.8 | 0.0 ± 0.0 | 14.4 ± 32.7 | 6.0 ± 20.7 | |
| Median (IQR) | 0.0 (0.0–2.0) | 0.0 (0.0–0.0) | 0.0 (0.0–15.0) | 0.0 (0.0–2.0) | |
| Missing | 218 | 72 | 84 | 62 | |
ECRP, endoscopic retrograde cholangiopancreatography; EGD, esophagogastroduodenoscopy; EUS, endoscopic ultrasonography.
a
Continuous variables were compared using 1-way analysis of variance. Categorical variables were compared using χ2 or the Fisher’s exact test, except as noted with the Kruskal-Wallis (K) test.