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Trends in absolute BMD (95% CI) measured at the femoral neck during the 25‐year follow‐up with respect to baseline BMD quartiles. The number of women at each follow‐up: baseline (n = 2695), 5 years (n = 2583), 10 years (n = 2482), 15 years (n = 2135), 20 years (n = 1305), and 25 years (n = 686).
