[Simple screening table for primary osteoporosis in senior people]

To develop a simple screening table for primary osteoporosis (POP) in senior men and women.

Questionnaires were designed to obtain the risk factors associated with osteoporosis and bone mineral density (BMD), which were measured in 146 community residents over 60. The multiple stepwise regression was used to find out the risk factors and establish the screening index. Then the cut-off point of sensitivity and specificity were obtained. Simple screening table for POP in senior people was established according to the screening index and the cut-off point. Validity and reliability of the simple screening table for POP in senior people were testified by 61 outpatients whose BMD was measured with dual energy X-ray (DEXA).

Percentage of the height loss,body weight, age, and gender were selected with multiple stepwise regression.Percentage of height loss and body weight were selected to develop the simple screening table for POP in senior people. The cut-off point was 270, sensitivity was 88.9 %, specificity was 75.7 %, the agreement rate was 75.4%,and the Kappa value was 0.489.

The simple screening table for POP in senior people based on the percentage of height loss and body weight is simple, economic, suitable for both men and women, and is useful in basic public health.