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Table 8 Transformation of PST 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
0-1 1 < −2.47 < 25 < 63 0 1 −2.16 28 68 0-2 1 < −2.55 < 25 <62 0-2 1 < −1.81 < 32 < 73
0-1 1 < −2.47 < 25 < 63 1 1 −1.86 31 72 0-2 1 < −2.55 < 25 <62 0-2 1 < −1.81 < 32 < 73
2 1 −2.47 25 63 2 3 −1.57 34 76 0-2 1 < −2.55 < 25 <62 0-2 1 < −1.81 < 32 < 73
3 2 −2.12 29 68 3 10 −1.27 37 81 3 1 −2.55 25 62 3 1 −1.81 32 73
4 3 −1.77 32 73 4 20 −0.98 40 85 4 2 −2.20 28 67 4 2 −1.56 34 77
5 9 −1.42 36 79 5 29 −0.69 43 90 5 4 −1.86 31 72 5 6 −1.3 37 80
6 16 −1.07 39 84 6 38 −0.39 46 94 6 8 −1.52 35 77 6 13 −1.05 40 84
7 25 −0.72 43 89 7 49 −0.10 49 99 7 14 −1.18 38 82 7 19 −0.79 42 88
8 38 −0.38 46 94 8 58 0.20 52 103 8 20 −0.84 42 87 8 29 −0.53 45 92
9 48 −0.03 50 100 9 67 0.49 55 107 9 27 −0.50 45 92 9 40 −0.28 47 96
10 59 0.32 53 105 10 78 0.79 58 112 10 41 −0.16 48 98 10 54 −0.02 50 100
11 71 0.67 57 110 11 84 1.08 61 116 11 56 0.18 52 103 11 65 0.24 52 104
12 84 1.02 60 115 12 89 1.37 64 121 12 70 0.52 55 108 12 75 0.49 55 107
13 93 1.37 64 120 13 95 1.67 67 125 13 81 0.86 59 113 13 84 0.75 57 111
14 95 1.71 67 126 14 98 1.96 70 129 14 88 1.20 62 118 14 89 1.00 60 115
15 98 2.06 71 131 15 98 2.26 73 134 15 94 1.54 65 123 15 93 1.26 63 119
16-30 > 98 > 2.06 > 71 > 131 16 99 2.55 76 138 16 97 1.88 69 128 16 95 1.52 65 123
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 17 99 2.22 72 133 17 96 1.77 68 127
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 18 97 2.03 70 130
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 19 97 2.29 73 134
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 20 98 2.54 75 138
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 21 99 2.80 78 142
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 22 99 3.05 81 146
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 23 99 3.31 83 150
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 24 99 3.57 86 154
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 25 99 3.82 88 157
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 26 99 4.08 91 161
16-30 > 98 > 2.06 > 71 > 131 17-30 99 > 2.55 > 76 > 136 18-30 99 > 2.22 > 72 > 133 27-30 99 > 4.08 > 91 > 161
N 64 N 109 N 202 N 136
Mean 9.08 Mean 7.33 Mean 10.48 Mean 10.08
SD 2.869 SD 3.399 SD 2.939 SD 3.920
Median 9 Median 7 Median 11 Median 10
Skewness −0.093 Skewness 0.275 Skewness −0.194 Skewness 1.694
Kurtosis −0.458 Kurtosis −0.522 Kurtosis −0.107 Kurtosis 6.269
Range 2-15 Range 0-16 Range 3-17 Range 3-30