Table 3.

Age-Specific Incidence per 1,000 Person-Years by Gait Status, Adjusted for Study Design

	Age
	70-74 (n = 171)	75-79 (n = 141)	80-84 (n = 98)	≥85	Total
Gait Status	Cases/N (Incidence) 95% Confidence Interval
Abnormal	25/136 (116.4) 62.3-217.5	21/89 (247.6) 149.0-411.4	17/50 (321.4) 188.6-547.7	9/25 (502.8) 284.5-888.6	73/300 (168.6) 117.4-242.0
Neurological	20/159 (74.7) 36.9-150.9	19/115 (126.4) 65.3-244.6	17/69 (155.3) 78.7-306.5	7/35 (397.2) 203.1-776.9	63/378 (103.1) 72.2-147.1
Nonneurological	22/157 (79.7) 40.6-156.4	14/106 (156.5) 80.7-303.5	9/70 (114.3) 46.4-218.7	6/37 (233.3) 70.5-771.8	51/370 (103.1) 68.4-155.3