Table VII. Mean and standard deviation for the three groups with different dizziness diagnosis.

Dizziness disability level	N.	DHI-I Total		Functional		Emotional		Physical
		Mean	SD	Mean	SD	Mean	SD	Mean	SD
Mild	24	45.42	23.75	19.58	9.89	13	9.798	15	7.46
Moderate	19	37.89	22.66	16.42	9.72	9.79	9.818	14.63	6.5
Severe	7	30	18.26	12.29	8.11	9.14	7.988	11.14	6.517
Total	50	40.4	22.9	17.36	9.72	11.24	9.552	14.32	6.968