From:  Work-related musculoskeletal disorder prevalence among African nurses: systematic review and meta-analysis

 Sensitivity analysis of studies: effect of quality on prevalence.

WMSD by body areaAll studiesHigh quality only
Prevalence95% CIPrevalence95% CI
Neck35.4%28.0–42.8%36.4%28.5–44.3%
Upper back32.8%26.1–39.4%32.8%26.1–39.4%
Lower back59.5%52.8–66.2%61.0%54.9–67.2%
Shoulder33.8%28.2–39.5%34.7%28.7–40.7%
Elbow12.9%9.1–16.7%12.9%9.1–16.7%
Wrist24.0%18.1–30.0%25.2%18.7–31.7%
Hip23.0%16.3–29.7%23.0%16.3–29.7%
Knee34.4%27.2–41.6%35.9%28.4–43.3%
Ankle30.1%23.1–37.1%30.8%23.2–38.4%
Overall74.6%67.0–82.3%74.7%66.5–82.9%

CI: confidence interval; WMSD: work-related musculoskeletal disorder.