Table 2:
Associations between Contraceptive Use and Idiopathic Intracranial Hypertension (IIH) Status
| Characteristic | Control N=96 | IIH N=53 | Odds Ratioa (95% Cl) | P-Valuea |
|---|---|---|---|---|
| Oral Contraceptive Pills | 0.174 | |||
| Yes | 22 (22.9%) | 8(15.1%) | 0.52(0.20, 1.34) | |
| No | 74(77.1%) | 45 (84.9%) | 1.00 (ref) | |
| Medroxyprogesterone Acetate | 0.535 | |||
| Yes | 4 (4.2%) | 1 (2.0%) | 0.50 (0.06, 4.47) | |
| No | 91 (95.8%) | 50 (98.0%) | 1.00 (ref) | |
| Contraceptive Patchb | ||||
| Yes | 0 (0.0%) | 1 (2.0%) | ||
| No | 95(100.0%) | 50 (98.0%) | ||
| Levonorgestrel-Releasing Intrauterine Device | 1.000 | |||
| Yes | 4 (4.2%) | 2 (3.8%) | 1.00(0.18,5.46) | |
| No | 91 (95.8%) | 50 (96.2%) | 1.00 (ref) | |
| Etonogestrel/Ethinyl Estradiol Vaginal Ringb | ||||
| Yes | 0 (0.0%) | 1 (1.9%) | ||
| No | 95(100.0%) | 51 (98.1%) | ||
| Contraceptive Implantb | ||||
| No | 95(100.0%) | 52(100.0%) | ||
| Any Non-OCP Contraceptive | 0.671 | |||
| Yes | 8 (8.4%) | 5 (9.8%) | 1.31 (0.38,4.45) | |
| No | 87(91.6%) | 46 (90.2%) | 1.00 (ref) | |
| Any Hormonal Contraceptivec | 0.146 | |||
| Yes | 30(31.3%) | 11 (20.8%) | 0.55(0.24, 1.23) | |
| No | 66 (68.8%) | 42 (79.2%) | 1.00 (ref) |
Abbreviation: ref=reference value
a
Odds ratio, 95% CI, and p-value come from a conditional logistic regression model.
b
Variables were not included in logistic regression models due to insufficient numbers.
c
”Any hormonal contraceptive” includes intrauterine or intravaginal devices, medroxyprogesterone injections, contraceptive patches, and subcutaneous implants.