Catherine Johannes

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A new surrogate variable for erectile dysfunction status in the Massachusetts male aging study

Response to letter to the editor regarding "Development and validation of a predictive model algorithm to identify anaphylaxis in adults with type 2 diabetes in U.S. administrative claims data"

Capacity for identifying Janssen Ad26.COV2.S COVID-19 vaccination in four US health insurance and state Immunization Information System databases: preparation for a post authorization safety study

Does collecting repeated blood samples from each subject improve the precision of estimated steroid hormone levels?

Socioeconomic factors and incidence of erectile dysfunction: findings of the longitudinal Massachussetts Male Aging Study

The feasibility of using multiple databases to study rare outcomes: The potential effect of long-acting beta agonists with inhaled corticosteroid therapy on asthma mortality

The Prevalence of Chronic Pain in United States Adults: Results of an Internet-based Survey

Incidence of erectile dysfunction in men 40 to 69 years old: Longitudinal results from the Massachusetts male aging study

Is there an association between menopause status and sexual functioning?

Development and validation of a predictive model algorithm to identify anaphylaxis in adults with type 2 diabetes in U.S. administrative claims data

Description of Antiparkinsonian Drug Use in US Medicare Claims Database: A Feasibility Assessment (Meeting Abstract

An electronic menstrual cycle calendar: Comparison of data quality with a paper version

Distressing Sexual Problems in United States Women Revisited: Prevalence After Accounting for Depression

The risk of coronary heart disease in type 2 diabetic patients exposed to thiazolidinediones compared to metformin and sulfonylurea therapy

Validity of claims-based algorithms to identify acute kidney injury, acute liver injury, severe complications of urinary tract infections, breast cancer, and bladder cancer among patients with type 2 diabetes: A pilot study

Assessment of digit preference in self-reported year at menopause: Choice of an appropriate reference distribution

Use of secondary population-based databases to evaluate the safety of medications

The incidence of first provoked and unprovoked seizure in pediatric patients with and without psychiatric diagnoses

The risk of melanoma with rasagiline compared with other antiparkinsonian medications: A retrospective cohort study in the United States medicare database

Validation of an ICD-10 case-finding algorithm for endometrial cancer in US insurance claims