| EFA | exploratory factor analysis |
| ESHRE | European Society of Human Reproduction and Embryology |
| FDR | false discovery rate |
| HSD | honestly significant difference (Tukey’s test) |
| IDEA | International Deep Endometriosis Analysis |
| KMO | Kaiser–Meyer–Olkin (measure of sampling adequacy) |
| STROBE | Strengthening the Reporting of Observational Studies in Epidemiology |