For women, history about menopause (yes/no), age of menopause, bilateral oophorectomy (yes/no), and hormone replacement history (yes/no), duration of hormone replacement, were also obtained.
††Also adjusted for physical and mental health component scores, KOOS quality of life, WOMAC pain scale, weight at 25 years of age, hip replacement, history of knee surgery, complaints of pain in multiple joints, OARSI severity scale, isometric strength/chair stands, and 20-meter walk.
Results did not change meaningfully when we adjusted for breast cancer risk factors in this study population, including use of hormone replacement therapy, history of breast cysts, family history of breast cancer, parity, and adult weight gain.
Several known risk factors for breast cancer such as age, body mass index, age at menarche, age at first birth, number of full births, use of hormone replacement therapy, history of breast feeding, and family history of breast cancer among first-degree relatives (plus type of menopause and age at menopause in the postmenopausal group) were included in the models as covariates.
We developed the Summary Notation for Arthroplasty Histories (SNAH) to facilitate the description and analysis of joint replacement event history data.
At recruitment, subjects were interviewed in person using a structured questionnaire that asked for information including demographics, use of tobacco, menstrual (including menopausal status) and reproductive (including use of hormone replacement therapy) histories (women only), medical history, as well as a dietary component assessing current intake patterns (4).
^Analyses adjusted for use of hormone replacement therapy, history of rheumatoid arthritis and migraine.
Advanced age, male sex, joint replacement surgery, history of hypertension, and diabetes mellitus significantly increased the risk of urinary retention.
In a study by Flink et al. [ 17] of 106 patients undergoing elective knee replacement, a history of OSAS was the only predictor of postoperative delirium.
Gender, age, Body Mass Index (BMI), number of prescriptions, hip replacement in history, and self-reported falls in the last year were recorded.
*Adjusted for menopausal status, parity, hormone replacement therapy, history of benign breast diseases, body mass index and waist:hip ratio in the whole study population; adjusted for parity, hysterectomy, body mass index, and waist:hip ratio in postmenopausal women.
