Table 2.
Component matrix and weights of quality control indicators to calculate EQI for digestive endoscopy.
| Component | |||||
| Indicators | 1 | 2 | 3 | 4 | Weights |
| The proportion of early cancer in all esophageal cancer during diagnostic EGD | 0.125 | 0.356 | 0.805 | −0.052 | 0.12 |
| The proportion of early cancer in all gastric cancer during diagnostic EGD | 0.153 | 0.358 | 0.798 | −0.054 | 0.12 |
| Rate of adequate bowel preparation before colonoscopy | 0.450 | 0.662 | −0.274 | 0.024 | 0.10 |
| Cecal intubation rate during colonoscopy | 0.558 | 0.574 | −0.335 | 0.027 | 0.10 |
| Complete resection rate of ESD for early cancer | 0.774 | −0.153 | 0.041 | 0.031 | 0.09 |
| Success rate of deep cannulation of the ducts of interest during ERCP | 0.848 | −0.340 | 0.025 | 0.000 | 0.08 |
| Success rate of extraction of common bile duct stones <1 cm | 0.836 | −0.335 | 0.027 | −0.016 | 0.08 |
| ADR of colonoscopy | 0.452 | 0.346 | −0.113 | 0.034 | 0.08 |
| Complete examination rate of small-bowel CE | 0.640 | −0.250 | 0.077 | 0.051 | 0.07 |
| Diagnostic rate for malignancy in patients receiving EUS-FNA of suspected malignant masses | 0.540 | −0.238 | 0.147 | 0.028 | 0.06 |
| Complete examination rate of diagnostic EGD | 0.281 | 0.372 | −0.232 | −0.227 | 0.05 |
| Severe adverse event rate | −0.022 | 0.101 | 0.044 | 0.970 | 0.03 |
ADR: Adenoma detection rate; CE: Capsule endoscopy; EGD: Esophagogastroduodenoscopy; EQI: Endoscopy quality index; ERCP: Endoscopic retrograde cholangiopancreatography; ESD: Endoscopic submucosal dissection; EUS: Endoscopic ultrasound; FNA: Fine-needle aspiration.