Dizziness in older persons at high risk of future hospitalization: prevalence, differences between those with and without dizziness, and effect of a proactive primary care intervention

Table 3 Dizziness results compared between the subjects in the intervention and control groups answering the dizziness questions both at baseline and after one year

Dizziness present or not (n = 447)		Intervention group (n = 238)	Control group (n = 209)	P-value
Baseline, n (%)	Yes	142 (60)	130 (62)	.301^a
Baseline, n (%)	No	96 (40)	79 (38)	.301^a
One-year follow-up, n (%)	Yes	138 (58)	128 (61)	.491 ^a
One-year follow-up, n (%)	No	100 (42)	81 (39)	.491 ^a
Improved (yes to no), unchanged, or impaired (no to yes), n (%)	Improved	26 (11)	18 (9)	.565 ^a
	Unchanged	190 (80)	175 (84)
	Impaired	22 (9)	16 (8)
DHI-S (n = 272) (only subjects with dizziness at baseline included)		Intervention group (n = 142)	Control group (n = 130)	p-value
Baseline, median (IQR)		18 (15)	18 (16)	.796 ^b
One-year follow-up, median (IQR)		16 (20)	18 (16)	.165 ^b
Change score, median (IQR)		-2 (10)	0 (10)	.052 ^b

^aChi-squared test
^bMann Whitney U-test
DHI-S Dizziness Handicap Inventory – Screening version; IQR interquartile range

ISSN: 1471-2318