The de Morton Mobility Index: Normative Data for a Clinically Useful Mobility Instrument

Table 3

DEMMI reference intervals for individual comparisons, median (5th, 95th percentiles). Please refer to Table 2 for subsample sizes.

Age category	Overall	Independent	Independent women	Independent men	Semi-independent
	Median (p5, p95)
60–69	85 (74,100)	85 (74, 100)	85 (74,100)	85 (74,100)	85 (67, 100)
70–79	85 (62,100)	85 (67, 100)	85 (67,100)	85 (74,100)	74 (48, 100)
80–89	74 (57,85)	74 (62, 100)	85(57,100)	74 (67,100)	74 (44, 85)
90+	62 *	62 *	—	62 *	—
Total	85 (62,100)	85 (67, 100)	85 (67,100)	85 (67,100)	74 (48, 100)

*Only 1 observation.