Table 3.

Instrument scores (mean ± SD) comparing temporarily dizzy (not any more present after six months, n = 22) and chronically dizzy (still present after six months, n = 44) patients at the three time points of investigation.

Instrument	Explanation/Item	T0 temporary	T0 chronic	P*	T1 temporary	T1 chronic	P*	T2 temporary	T2 chronic	P*
DHI	Dizziness handicap	15.27 ± 14.42	25.36 ± 13.90	0.004	18.80 ± 17.64	22.95 ± 15.12	0.258	n.a.	22.59 ± 15.14	n.a.
SF12	Quality of life	49.09 ± 11.63	45.82 ± 11.34	0.294	51.76 ± 9.75	48.5 ± 10.16	0.279	51.4 ± 7.63	47.39 ± 10.67	0.178
GDS	Depression	2.41 ± 2.15	3.66 ± 3.14	0.138	2.52 ± 2.82	3.32 ± 2.96	0.265	2.10 ± 2.27	2.86 ± 2.95	0.287
ADL	Activities of daily living	41.14 ± 2.17	38.95 ± 4.50	0.001	40.86 ± 2.33	39.18 ± 4.58	0.013	40.67 ± 2.22	39.05 ± 3.58	0.045
DiNA	Importance of knowing the cause	5.18 ± 1.44	5.12 ± 1.31	0.769	5.20 ± 1.32	4.67 ± 1.41	0.309	n.a.	5.02 ± 1.18	n.a.
	Risk of falling	3.00 ± 1.61	3.37 ± 1.57	0.317	2.80 ± 1.87	3.08 ± 1.38	0.356	n.a.	3.07 ± 1.57	n.a.
	Effectiveness of self-help measures	4.07 ± 1.39	3.52 ± 1.60	0.268	4.25 ± 1.83	4.11 ± 1.45	0.659	n.a.	3.75 ± 1.72	n.a.
	Handicap during acute dizziness	4.29 ± 1.55	3.98 ± 1.58	0.392	3.70 ± 1.34	3.76 ± 1.55	0.905	n.a.	3.39 ± 1.56	n.a.
	General dizziness handicap	2.76 ± 1.55	3.09 ± 1.49	0.360	2.40 ± 0.97	2.72 ± 1.34	0.471	n.a.	2.52 ± 1.34	n.a.
	Empathy of doctor	5.62 ± 0.59	5.32 ± 1.14	0.552	5.30 ± 1.06	4.69 ± 1.37	0.180	n.a.	4.27 ± 1.58	n.a.
	Help of doctor	4.26 ± 1.56	2.93 ± 1.46	0.004	3.33 ± 1.80	3.13 ± 1.61	0.729	n.a.	3.07 ± 1.59	n.a.

Scores are explained in the legend of table 2.

T0 first time point of assessment

T1 second time point of assessment (four-week follow-up)

T2 third time point of assessment (six-month follow-up)

* Differences of mean scores and Likert-scale items between the temporary and chronic group at each time point were tested using the Mann-Whitney-U-Test

n.a. not applicable