Fig. 4From: Inverse relation of body weight with short-term and long-term mortality following hip fracture surgery: a meta-analysisComparison of long-term mortality rate between average-weight and underweight groups after hip fracture surgery. a Overall analysis for odds ratio, b subgroup analysis using uniformed definitions of underweight (BMI < 18.5 kg/m2) and average weight (BMI of 18.5–24.9 kg/m2)Back to article page