PREVALENCE OF KNEE OSTEOARTHRITIS AND ASSOCIATED RISK FACTORS IN POST MENOPAUSAL WOMEN IN UNIVERSITY OF BENIN TEACHING HOSPITAL, NIGERIA
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Abstract
Background: Osteoarthritis (OA) is a chronic joint disorder characterized by joint
pain, stiffness, and limited mobility (Zhang et al., 2020). Knee osteoarthritis (OA)
is a degenerative joint disease of the knee characterized by progressive loss of
articular cartilage, leading to pain, stiffness, and functional limitations (Felson et
al., 2000). It is one of the most common chronic conditions, affecting an
estimated 13.5% of adults aged 60 and over (Centers for Disease Control and
Prevention [CDC], 2021). Knee OA is the most common type of OA, accounting for
significant disability and healthcare costs (Cross et al., 2014). Aim: The aim of this study was to determine the prevalence and associated risk
factors of knee OA in postmenopausal women. Methods:This study employed a retrospective study design, examining existing
data from case notes and medical records.This study was conducted using all case
notes and medical records of postmenopausal women, with knee osteoarthritis
who received physiotherapy treatment at UBTH between 2019 and 2024.Data
extraction forms were used to collect information on demographics, menopausal
status, knee osteoarthritis diagnosis, risk factors, pain intensity and comorbidities. Data was extracted by the researcher and verified for accuracy and completeness. Descriptive statistics of Chi square was used to summarise the data, Alpha level
was 0.05
Results:Over 1000 case notes dating back to 5 years prior were reviewed by the
researcher. A total of 503 case notes of postmenopausal women were identified, among which 183 cases of knee OA were identified. 36.4% of the postmenopausal
women recorded in study had knee OA. 131 (26.0) had bilateral knee OA, 122
(24.3%) had crepitus. 80 (15.9%) had onset of knee OA for duration of 1 – 5 years
before being assessed. Among those with knee OA, the mean pain rating ranged
between 4.37 (± 2.86). Conclusion: The prevalence of knee OA in postmenopausal women in Nigeria is a
significant public health concern. Several risk factors, including age, BMI, parity, family history, and previous trauma, contribute to the high prevalence of knee OA
in this population. Keywords: Osteoarthritis, postmenopausal, retrospective, prevalence.
pain, stiffness, and limited mobility (Zhang et al., 2020). Knee osteoarthritis (OA)
is a degenerative joint disease of the knee characterized by progressive loss of
articular cartilage, leading to pain, stiffness, and functional limitations (Felson et
al., 2000). It is one of the most common chronic conditions, affecting an
estimated 13.5% of adults aged 60 and over (Centers for Disease Control and
Prevention [CDC], 2021). Knee OA is the most common type of OA, accounting for
significant disability and healthcare costs (Cross et al., 2014). Aim: The aim of this study was to determine the prevalence and associated risk
factors of knee OA in postmenopausal women. Methods:This study employed a retrospective study design, examining existing
data from case notes and medical records.This study was conducted using all case
notes and medical records of postmenopausal women, with knee osteoarthritis
who received physiotherapy treatment at UBTH between 2019 and 2024.Data
extraction forms were used to collect information on demographics, menopausal
status, knee osteoarthritis diagnosis, risk factors, pain intensity and comorbidities. Data was extracted by the researcher and verified for accuracy and completeness. Descriptive statistics of Chi square was used to summarise the data, Alpha level
was 0.05
Results:Over 1000 case notes dating back to 5 years prior were reviewed by the
researcher. A total of 503 case notes of postmenopausal women were identified, among which 183 cases of knee OA were identified. 36.4% of the postmenopausal
women recorded in study had knee OA. 131 (26.0) had bilateral knee OA, 122
(24.3%) had crepitus. 80 (15.9%) had onset of knee OA for duration of 1 – 5 years
before being assessed. Among those with knee OA, the mean pain rating ranged
between 4.37 (± 2.86). Conclusion: The prevalence of knee OA in postmenopausal women in Nigeria is a
significant public health concern. Several risk factors, including age, BMI, parity, family history, and previous trauma, contribute to the high prevalence of knee OA
in this population. Keywords: Osteoarthritis, postmenopausal, retrospective, prevalence.
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