Table 3.

Comparison of single item and total IQCODE score of different severity of dementia

iterm	Mild dementia (n =107)	Moderate dementia (n = 194)	Severe dementia (n = 93)	F (P)
1	4.07 ± 0.72	4.32 ± 0.76**	4.92 ± 0.30**	43.820(0.000)
2	4.58 ± 0.80	4.79 ± 0.56*	4.94 ± 0.25**	9.474(0.000)
3	4.73 ± 0.56	4.81 ± 0.52	4.92 ± 0.27*	3.763(0.024)
4	3.71 ± 1.01	4.34 ± 0.92**	4.71 ± 0.72**	32.130(0.000)
5	3.60 ± 0.93	3.51 ± 0.79	4.00 ± 0.88**	10.832(0.000)
6	3.74 ± 0.92	4.07 ± 0.79**	4.59 ± 0.61**	29.307(0.000)
7	3.92 ± 0.84	4.25 ± 0.77**	4.80 ± 0.48**	36.338(0.000)
8	3.75 ± 0.89	4.11 ± 0.81**	4.70 ± 0.62**	36.349(0.000)
9	3.86 ± 0.92	4.27 ± 0.72**	4.77 ± 0.53**	37.726(0.000)
10	3.94 ± 0.88	4.34 ± 0.72**	4.86 ± 0.46**	40.532(0.000)
11	4.59 ± 0.75	4.78 ± 0.60*	4.91 ± 0.32*	7.711(0.001)
12	3.62 ± 0.78	3.86 ± 0.91*	4.51 ± 0.62**	31.684(0.000)
13	3.71 ± 0.88	4.08 ± 0.91**	4.75 ± 0.60**	39.380(0.000)
14	3.64 ± 0.92	4.08 ± 0.92**	4.75 ± 0.54**	42.858(0.000)
15	3.79 ± 0.87	4.10 ± 0.89**	4.80 ± 0.47**	40.895(0.000)
16	4.17 ± 0.57	4.40 ± 0.73**	4.82 ± 0.55**	25.291(0.000)
Total score	63.38 ± 9.49	68.40 ± 8.73**	75.96 ± 3.52**	60.627(0.000)

Comparison of mild and moderate groups marked on moderate group, and that of moderate and severe groups marked on severe group, ^*P < 0.05;^**P < 0.01