Table 1.
Variables from the original studies to be included in the IPD meta-analyses.
| Topics | Postmenopausal bleeding | Preterm birth | Tubal pathology | Ovarian response in IVF |
|---|---|---|---|---|
| Population | Postmenopausal bleeding | Asymptomatic early pregnancies | Subfertility | Indication for IVF treatment |
| Threatened pre-term labour | ||||
| Patient characteristics | -Age | -Age | -Age | -Age |
| -HRT use | -Obstetric history | -Fertility history | -Fertility history | |
| -BMI | -BMI | -PID | -BMI | |
| -Time since menopause | -Multiple pregnancies | -Ectopic pregnancy | -Previous ART | |
| -Diabetes | -Parity | -BMI | -Smoking | |
| -Hypertension | -Diabetes | -Pelvic surgery | ||
| -Use of anticoagulants | ||||
| -Previous cancer | ||||
| -Thyroid dysfunction | ||||
| Diagnostic tests | -TVS* | -Blood pressure | -CAT* | -FSH* |
| -Hysteroscopy/curettage* | -Cervical length measurement* | -HSG* | -AFC | |
| -Histology of carcinoma* | -Fibronectin test* | -Laparoscopy* | -AMH | |
| Target condition | Endometrial carcinoma* | Childs condition | Tubal pathology* | Ovarian response Pregnancy* |
| Delivery prior to 32 weeks* | ||||
Overview of variables that will be requested from the original authors.
Marked variables (*) are the minimal requested variables; studies missing a substantial part of these variables will be excluded.
Abbreviations used: HRT: Hormone Replacement Therapy, TVs: Trans Vaginal Sonography, BMI: Body Mass Index, PID: Pelvic Inflammatory Disease, CAT: Chlamydia Antibody Test, HSG: Hysterosalpingography, ART: Assisted Reproductive Therapy, FSH: Follicle Stimulating Hormone, AFC: Antral Follicle Count, AMH: Anti Mullerian Hormone.