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Predictive factors of early moderate/severe ovarian hyperstimulation syndrome in non-polycystic ovarian syndrome patients: a statistical model
Purpose To evaluate demographic, medical history and clinical cycle characteristics of infertile non-polycystic ovary syndrome (NPCOS) women with the purpose of investigating their associations with the prevalence of moderate-to-severe OHSS. Methods In this retrospective study, among 7073 in vitro f...
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Published in: | Archives of gynecology and obstetrics 2015-11, Vol.292 (5), p.1145-1152 |
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Main Authors: | , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Purpose
To evaluate demographic, medical history and clinical cycle characteristics of infertile non-polycystic ovary syndrome (NPCOS) women with the purpose of investigating their associations with the prevalence of moderate-to-severe OHSS.
Methods
In this retrospective study, among 7073 in vitro fertilization and/or intracytoplasmic sperm injection (IVF/ICSI) cycles, 86 cases of NPCO patients who developed moderate-to-severe OHSS while being treated with IVF/ICSI cycles were analyzed during the period of January 2008 to December 2010 at Royan Institute. To review the OHSS risk factors, 172 NPCOS patients without developing OHSS, treated at the same period of time, were selected randomly by computer as control group. We used multiple logistic regression in a backward manner to build a prediction model.
Results
The regression analysis revealed that the variables, including age [odds ratio (OR) 0.9, confidence interval (CI) 0.81–0.99], antral follicles count (OR 4.3, CI 2.7–6.9), infertility cause (tubal factor, OR 11.5, CI 1.1–51.3), hypothyroidism (OR 3.8, CI 1.5–9.4) and positive history of ovarian surgery (OR 0.2, CI 0.05–0.9) were the most important predictors of OHSS. The regression model had an area under curve of 0.94, presenting an allowable discriminative performance that was equal with two strong predictive variables, including the number of follicles and serum estradiol level on human chorionic gonadotropin day.
Conclusion(s)
The predictive regression model based on primary characteristics of NPCOS patients had equal specificity in comparison with two mentioned strong predictive variables. Therefore, it may be beneficial to apply this model before the beginning of ovarian stimulation protocol. |
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ISSN: | 0932-0067 1432-0711 |
DOI: | 10.1007/s00404-015-3723-0 |