Study
|
Sample size
|
Carrier/ non-carrier/ uninformative1-150
|
Mean age
|
Measurement time
|
Objective
|
Statistical methods
|
Boston |
Meissen et al
14
| 15 | 4/7/5 | — | Baseline, 3 mth, 9 mth | | Percentages |
Vancouver |
Blochet al
4
| 51 | NA | 39.3 | Before test | Description | Percentages |
Wiggins et al
21
1-151
| 135 | 37/58/40 | 37.5 | Baseline, 1 wk, 6 mth, 12 mth | Course | ANOVA, Kruskal-Wallis test |
Lawsonet al
13
1-151
| 135 | 37/58/40 | 37.5 | Baseline, 1 wk, 6 mth, 12 mth | Prediction, description |
t tests or Mann-Whitney U tests, chi-square test |
Baltimore |
Folsteinet al
11
| 112 | NA | 26.7 | NA | Description | Percentages, chi-square test |
Brandt et al
5
| 55 | 12/30/13 | 35.4 | Baseline, 3 mth, 6 mth, 9 mth, 12 mth | Description, baseline, course | Percentages |
Folstein12
| 147/161 | NA | — | NA | Description | Clinical impressions |
Codori and Brandt6
| 68 | 17/51 | 37.7 | 8 visits in 3 y after test | Description | Percentages |
Codori et al
7
| 160 | 52/108/— | 34.4 | Baseline, 3 mth, 6 mth, 9 mth, 12 mth | Prediction | F tests |
Rotterdam/Leiden |
Tibben et al
16
| 18 | 9/9 | 35.9 | 12 mth | Description | Percentages, clinical impressions |
Tibbenet al
17
‡
| 63 | 29/44 | 31.6 | Baseline, 6 mth | Prediction | Backward regression analysis |
Tibbenet al
18
‡
| 63 | 24/39 | 31.6 | 6 mth | Description | Percentages |
Tibben et al
19
‡
| 73 | 29/44 | 32.1 | Baseline, 1 wk, 6 mth | Course | MANOVA |
Tibben et al
20
‡
| 49 | 20/29 | 32.2 | Baseline, 1 wk, 6 mth, 3 y | Course | MANOVA |
DudokdeWit et al
9
§
| 25 | 9/16 | 39.5 | Baseline, 1 wk, 6 mth | Course | MANOVA |
DudokdeWit et al
10
§
| 25 | 9/16 | 39.5 | Baseline, 6 mth | Prediction | Multiple regression analysis |
Leuven |
Decruyenaere et al
8
| 53 | 22/31 | 34 | Baseline, 1 mth, 12 mth | Prediction, course | Multiple regression analysis,t tests |
Indianapolis |
Quaid and Wesson15
| 19 | 5/14 | 36.9 | Baseline, 3 mth, 6 mth, 9 mth, 12 mth | Comparison of groups | Mann-Whitney U test |