Validity and Reliability of the Bahasa Melayu Version of the Migraine Disability Assessment Questionnaire

Table 3

Changes in the MIDAS-M disability grade from the 1st administration to the 2nd administration.

MIDAS; grade	Number and percentage of patients with each grade at the 1st administration	Number and percentage of patients with each grade at the 2nd administration				Number and percentage of patients who changed grades between administrations
		I	II	III	IV
I	13 (13%)	5 (38.5%)	6 (46.2%)	2 (15.4%)	0	8 (23.5%)
II	14 (14%)	3 (21.4%)	6 (42.9%)	5 (35.7%)	0	8 (23.5%)
III	27 (27%)	1 (3.7%)	6 (22.2%)	19 (70.1%)	1 (3.7%)	8 (23.5%)
IV	46 (46%)	0	4 (8.7%)	6 (13.0%)	36 (78.3%)	10 (29.4%)
Total	100	9 (9%)	22 (22.0%)	32 (32.0%)	37 (37.0%)	34