The screen for cognitive impairment in psychiatry: diagnostic-specific standardization in psychiatric ill patients

Gómez-Benito, Juana; Guilera, Georgina; Pino, Óscar; Rojo, Emilio; Tabarés-Seisdedos, Rafael; Safont, Gemma; Martínez-Arán, Anabel; Franco, Manuel; Cuesta, Manuel J; Crespo-Facorro, Benedicto; Bernardo, Miguel; Vieta, Eduard; Purdon, Scot E; Mesa, Francisco; Rejas, Javier

doi:10.1186/1471-244X-13-127

Table 6 Transformation of VFT subtest scores

From: The screen for cognitive impairment in psychiatry: diagnostic-specific standardization in psychiatric ill patients

< Secondary school										≥ Secondary school
18-39					40-55					18-39					40-55
PD	P	z	T	IQ	PD	P	z	T	IQ	PD	P	z	T	IQ	PD	P	z	T	IQ
0-4	1	< −1.79	< 32	< 73	0-1	1	< −1.79	< 32	< 73	0-6	1	< −1.74	< 33	< 74	0-3	1	< −2.22	< 28	< 67
0-4	1	< −1.79	< 32	< 73	2	1	−1.79	32	73	0-6	1	< −1.74	< 33	< 74	0-3	1	< −2.22	< 28	< 67
0-4	1	< −1.79	< 32	< 73	3	2	−1.63	34	76	0-6	1	< −1.74	< 33	< 74	0-3	1	< −2.22	< 28	< 67
0-4	1	< −1.79	< 32	< 73	4	5	−1.46	35	78	0-6	1	< −1.74	< 33	< 74	4	1	−2.22	28	67
5	1	−1.79	32	73	5	7	−1.30	37	80	0-6	1	< −1.74	< 33	< 74	5	1	−2.04	30	69
6	2	−1.6	34	76	6	10	−1.14	39	83	0-6	1	< −1.74	< 33	< 74	6	1	−1.86	31	72
7	5	−1.42	36	79	7	16	−0.98	40	85	7	1	−1.74	33	74	7	2	−1.68	33	75
8	11	−1.23	38	82	8	22	−0.81	42	88	8	1	−1.55	34	77	8	5	−1.51	35	77
9	16	−1.05	40	84	9	29	−0.65	43	90	9	4	−1.37	36	79	9	7	−1.33	37	80
10	20	−0.86	41	87	10	35	−0.49	45	93	10	9	−1.18	38	82	10	9	−1.15	38	83
11	24	−0.68	43	90	11	40	−0.33	47	95	11	17	−1.00	40	85	11	13	−0.97	40	85
12	30	−0.49	45	93	12	44	−0.16	48	98	12	23	−0.81	42	88	12	19	−0.8	42	88
13	38	−0.31	47	95	13	51	0.00	50	100	13	29	−0.63	44	91	13	25	−0.62	44	91
14	48	−0.12	49	98	14	61	0.16	52	102	14	37	−0.44	46	93	14	33	−0.44	46	93
15	58	0.06	51	101	15	67	0.33	53	105	15	46	−0.26	47	96	15	42	−0.26	47	96
16	66	0.25	52	104	16	72	0.49	55	107	16	54	−0.07	49	99	16	50	−0.09	49	99
17	73	0.43	54	106	17	79	0.65	57	110	17	62	0.11	51	102	17	56	0.09	51	101
18	79	0.62	56	109	18	83	0.81	58	112	18	68	0.30	53	104	18	64	0.27	53	104
19	83	0.8	58	112	19	87	0.98	60	115	19	72	0.48	55	107	19	72	0.45	54	107
20	84	0.99	60	115	20	89	1.14	61	117	20	76	0.67	57	110	20	78	0.62	56	109
21	87	1.17	62	118	21	90	1.30	63	120	21	80	0.85	59	113	21	84	0.80	58	112
22	89	1.35	64	120	22	92	1.46	65	122	22	84	1.04	60	116	22	88	0.98	60	115
23	92	1.54	65	123	23	94	1.63	66	124	23	87	1.22	62	118	23	90	1.16	62	117
24	95	1.72	67	126	24	95	1.79	68	127	24	89	1.41	64	121	24	93	1.33	63	120
25	97	1.91	69	129	25	97	1.95	70	129	25	92	1.59	66	124	25	95	1.51	65	123
26	98	2.09	71	131	26	97	2.11	71	132	26	95	1.78	68	127	26	96	1.69	67	125
27	98	2.28	73	134	27	97	2.28	73	134	27	96	1.96	70	129	27	96	1.87	69	128
28	98	2.46	75	137	28	98	2.44	74	137	28	97	2.15	71	132	28	97	2.04	70	131
29	98	2.65	76	140	29	98	2.60	76	139	29	98	2.33	73	135	29	98	2.22	72	133
30	98	2.83	78	143	30	99	2.76	78	141	30	98	2.52	75	138	30	99	2.40	74	136
31	98	3.02	80	145	31	99	2.93	79	144	31	98	2.71	77	141	31	99	2.58	76	139
32	98	3.20	82	148	32	99	3.09	81	146	32	99	2.89	79	143	32	99	2.75	78	141
33	98	3.39	84	151	33	99	3.25	83	149	33	99	3.08	81	146	33	99	2.93	79	144
34	99	3.57	86	154	34	99	3.42	84	151	34	99	3.26	83	149	34	99	3.11	81	147
> 34	99	> 3.57	> 86	> 154	35	99	3.58	86	154	> 34	99	> 3.26	> 83	> 149	35	99	3.29	83	149
> 34	99	> 3.57	> 86	> 154	36	99	3.74	87	156	> 34	99	> 3.26	> 83	> 149	36	99	3.46	85	152
> 34	99	> 3.57	> 86	> 154	37	99	3.90	89	159	> 34	99	> 3.26	> 83	> 149	37	99	3.64	86	155
> 34	99	> 3.57	> 86	> 154	38	99	4.07	91	161	> 34	99	> 3.26	> 83	> 149	38	99	3.82	88	157
> 34	99	> 3.57	> 86	> 154	> 38	99	> 4.07	> 91	> 161	> 34	99	> 3.26	> 83	> 149	> 38	99	> 3.82	> 88	> 157
N	64				N	109				N	204				N	136
Mean	14.67				Mean	13.00				Mean	16.39				Mean	16.49
SD	5.410				SD	6.149				SD	5.401				SD	5.633
Median	14				Median	13				Median	15				Median	16
Skewness	0.828				Skewness	0.921				Skewness	0.785				Skewness	1.371
Kurtosis	1.488				Kurtosis	1.849				Kurtosis	0.374				Kurtosis	6.377
Range	5-34				Range	2-38				Range	7-34				Range	4-48

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