2016年5月31日 星期二

CAT-HEALER收案進度與結果分析

1. 人口學特性 (Table 1):
我覺得各重要變項(與HL關係較強的變項:年齡、教育程度;以及重要的中風特性:診斷、病程等)的分佈我覺得還算是平均,目前不需要額外著重特定變項增加樣本。
Table 1 Demographic characteristics of the patients with stroke and their families
Variable
Patients (N=392)
Families (N=351)
Total (N=743)
Age



< 60 years old
162 (41.3%)
220 (62.7%)
382 (51.4%)
≥ 60 years old
228 (58.2%)
125 (35.6%)
353 (47.5%)
Gender



Male
274 (69.9%)
111 (31.6%)
385 (51.8%)
Female
118 (30.1%)
240 (68.4%)
358 (48.2%)
Educational level



Illiterate and primary
129 (32.9%)
56 (16%)
185 (24.9%)
Middle school
75 (19.1%)
38 (10.8%)
113 (15.2%)
High school
101 (25.8%)
116 (33.0%)
217 (29.2%)
College and above
85 (21.7%)
138 (39.3%)
223 (30%)
Marital status



Married
300 (76.5%)
252 (71.8%)
552 (74.3%)
Single/Divorced/Widowed
90 (23.0%)
96 (27.4%)
186 (25%)
Sources of patients



Inpatients
151 (38.5%)
171 (48.7%)
322 (43.3%)
Outpatients
235 (59.9%)
171 (48.7%)
406 (54.6%)
Types of stroke



Ischemic
283 (72.2%)
234 (66.7%)
517 (69.6%)
Hemorrhagic
102 (26.0%)
103 (29.3%)
205 (27.6%)


2. 各題作答頻率 (Figure 1):
題庫120題中,有10題的被作答次數太少(第76-80、106-110題,病人與家屬的答題人數分別都少於100人,第110題之病人填答次數甚至只有25筆)。
我們可考慮合併病人和家屬的資料作分析,或是若考慮繼續收案,可先請工程師修改填規則為這幾題必填可先請工程師修改填規則為這幾題必填,直到各組樣本人數皆至少100人。
Figure 1 Response rate of each item


3. Rasch初步分析 (Table 2, Figures 2-4):
Rasch分析初步結果還不錯,須刪題的題數不多,約3-4題(但由於是初步分析,我尚未執行刪題再重新分析的步驟),題目難度cover樣本能力的範圍也滿廣的,所以Rasch信度也很高
Table 2 Rasch reliabilities and item fit statistics of the item bank for the CAT-HEALER

Patients (N=392)

Families (N=351)

Total (N=743)
Rasch reliability
0.99

0.96

0.97

Item fit statistics

Item fit statistics

Item fit statistics
Item
Infit MNSQ
Outfit MNSQ

Infit MNSQ
Outfit MNSQ

Infit MNSQ
Outfit MNSQ
1
1.3
1.3

1.2
1.2

1.3
1.3
2
1.1
1.1

1.1
1

1.1
1.1
3
1.1
1.1

1.1
1.1

1.1
1.1
4
1.5
1.5

1.3
1.3

1.4
1.4
5
1.4
1.4

1.2
1.3

1.3
1.3
6
0.9
0.9

1.0
1.0

1.0
1.0
7
0.9
0.9

0.9
0.9

0.9
0.9
8
0.8
0.8

0.9
0.9

0.9
0.9
9
1.2
1.2

1.1
1.1

1.2
1.2
10
1.1
1.1

0.9
0.9

1.0
1.0
11
0.9
0.9

0.9
0.9

0.9
0.9
12
1.2
1.2

0.9
0.9

1.1
1.1
13
1.1
1.0

0.9
0.9

1.0
1.0
14
1.1
1.1

1.0
1.0

1.0
1.0
15
1.2
1.2

1.0
1.0

1.1
1.1
16
1.0
1.0

1.0
1.0

1.0
1.0
17
1.0
0.9

0.8
0.8

0.9
0.9
18
0.8
0.8

0.7
0.7

0.8
0.8
19
1.1
1.1

0.9
0.9

1.0
1.0
20
1.2
1.2

1.2
1.2

1.2
1.2
21
0.8
0.8

1.1
1.2

1.0
1.0
22
0.7
0.7

0.9
0.9

0.8
0.8
23
0.9
0.9

0.9
0.9

0.9
0.9
24
0.7
0.7

0.8
0.8

0.8
0.8
25
0.9
0.9

0.8
0.8

0.9
0.9
26
1.0
1.0

0.9
0.9

1.0
1.0
27
1.0
0.9

0.7
0.7

0.9
0.9
28
0.9
0.9

0.9
1.0

0.9
0.9
29
0.8
0.8

0.9
0.9

0.9
0.9
30
1.0
1.0

1.0
1.0

1.0
1.0
31
0.9
1.0

0.8
0.7

0.9
0.9
32
0.9
0.9

0.8
0.8

0.9
0.9
33
0.9
0.8

0.7
0.7

0.8
0.8
34
1.1
1.1

0.9
0.9

1.0
1.0
35
1.0
1.0

1.1
1.2

1.1
1.1
36
0.9
1.0

0.8
0.7

0.8
0.8
37
1.2
1.3

0.8
0.8

1.0
1.0
38
1.5
1.5

1.0
1.0

1.2
1.2
39
1.6
1.6

1.0
1.0

1.3
1.2
40
1.0
1.0

1.2
1.2

1.1
1.1
41
0.7
0.7

1.0
1.0

0.9
0.9
42
0.7
0.7

0.6
0.6

0.7
0.7
43
0.6
0.6

0.8
0.7

0.7
0.7
44
0.7
0.7

0.8
0.8

0.8
0.8
45
0.9
0.9

1.3
1.3

1.2
1.2
46
0.7
0.7

0.8
0.8

0.7
0.7
47
1.0
1.0

0.9
0.9

0.9
0.9
48
0.8
0.7

0.8
0.8

0.8
0.8
49
0.7
0.7

0.8
0.8

0.8
0.8
50
1.0
1.0

0.9
0.9

1.0
1.0
51
1.1
1.1

1.0
1.0

1.0
1.0
52
0.9
0.9

0.9
0.9

1.0
1.0
53
1.3
1.4

0.9
0.9

1.1
1.1
54
1.0
1.2

1.2
1.2

1.1
1.1
55
1.3
1.4

1.4
1.4

1.4
1.4
56
0.8
0.7

0.9
0.9

0.9
0.9
57
0.7
0.7

0.6
0.6

0.7
0.6
58
0.9
0.9

0.8
0.8

0.8
0.8
59
1.1
1.1

1.0
1.0

1.1
1.1
60
1.0
1.0

1.3
1.3

1.2
1.2
61
0.9
0.9

1.1
1.1

1.0
1.0
62
1.1
1.0

1.0
1.1

1.0
1.0
63
1.1
1.1

1.0
1.0

1.1
1.1
64
1.0
1.0

1.0
0.9

1.1
1
65
1.0
1.0

1.2
1.2

1.1
1.1
66
1.0
1.0

0.9
0.9

1.0
1.0
67
0.8
0.8

1.3
1.3

1.1
1.1
68
1.0
0.9

1.1
1.1

1.0
1.0
69
0.9
0.9

1.2
1.3

1.1
1.1
70
0.9
0.9

1.2
1.3

1.0
1.1
71
0.7
0.7

0.8
0.8

0.8
0.7
72
0.7
0.7

0.7
0.7

0.7
0.7
73
0.7
0.7

0.7
0.7

0.7
0.7
74
0.6
0.6

0.7
0.7

0.7
0.6
75
0.9
0.9

0.9
0.9

0.9
0.9
76
1.0
1.0

1.2
1.2

1.1
1.1
77
1.2
1.3

1.2
1.2

1.3
1.3
78
1.0
1.0

1.0
1.0

1.0
1.0
79
1.3
1.4

0.8
0.8

1.0
1.0
80
0.7
0.7

1.4
1.4

1.2
1.2
81
0.9
0.8

1.0
1.0

0.9
0.9
82
0.7
0.7

0.7
0.7

0.7
0.7
83
0.8
0.8

0.8
0.8

0.8
0.8
84
0.6
0.6

0.7
0.7

0.7
0.7
85
1.0
1.0

0.9
0.9

1.0
0.9
86
0.9
0.9

1.0
1.0

1.0
1.0
87
0.9
0.9

0.8
0.8

0.9
0.9
88
0.8
0.8

0.8
0.8

0.8
0.8
89
1.2
1.1

0.7
0.7

0.9
0.9
90
1.4
1.4

1.2
1.3

1.4
1.5
91
0.7
0.7

1.0
0.9

0.8
0.8
92
1.1
1.1

1.0
1.0

1.0
1.1
93
1.1
1.2

1.0
1.1

1.0
1.1
94
1.3
1.4

1.3
1.5

1.3
1.4
95
1.2
1.2

1.3
1.3

1.3
1.3
96
1.0
1.0

0.9
0.9

1.0
1.0
97
1.1
1.1

1.1
1.1

1.1
1.1
98
1.3
1.3

0.9
0.9

1.1
1.1
99
1.1
1.1

1.1
1.1

1.1
1.1
100
1.0
1.1

1.1
1.1

1.1
1.1
101
0.8
0.8

1.0
1.1

0.9
0.9
102
0.7
0.6

1.1
1.1

0.9
0.9
103
0.7
0.7

1.0
1.0

0.9
0.9
104
0.9
0.9

1.1
1.1

1.0
1.0
105
1.2
1.1

1.4
1.5

1.3
1.3
106
0.6
0.6

1.4
1.7

1.2
1.3
107
1.0
1.0

1.1
1.1

1.1
1.1
108
0.8
0.8

1.2
1.2

1.1
1.1
109
0.9
0.9

1.0
1.0

1.1
1.1
110
1.5
1.3

1.7
1.6

1.7
1.6
111
0.9
0.9

1.0
1.0

0.9
0.9
112
0.9
0.9

0.9
0.9

0.9
0.9
113
0.8
0.8

0.9
0.8

0.9
0.9
114
1.0
1.0

0.9
0.9

0.9
0.9
115
1.4
1.4

1.1
1.1

1.2
1.2
116
1.4
1.5

1.7
1.9

1.6
1.7
117
1.1
1.1

1.1
1.1

1.2
1.2
118
1.0
1.0

1.2
1.2

1.1
1.1
119
1.2
1.1

1.9
2.1

1.7
1.7
120
1.4
1.4

1.5
1.5

1.5
1.5
註:紅字表示該題的item fit指標超過預設標準(0.6-1.4),可考慮刪除
Figure 2 Person-item map of the item bank for the CAT-HEALER (patients)
Figure 3 Person-item map of the item bank for the CAT-HEALER (families)
Figure 4 Person-item map of the item bank for the CAT-HEALER (total)


5/31補充:
第76-80題是評量病人/家屬對於「語言治療」衛教資訊的HL;而106-110題是評量病人/家屬對於「心理治療」衛教資訊的HL。這幾題填答次數很少,其實是我們原先有預期到的。因為中風病人需要接受這兩種專業服務的比例較低,許多病人和家屬雖有填答這些題目,但都是填寫「沒經驗」(即missing data)。
刪除這10題,內容會少了病人/家屬對於兩種中風相關專業的HL,但既然是比較少用到的,可能影響較小。另外Rasch分析結果發現,刪除這10題對於信度以及須刪題的題數影響不大。
或許我們接下來須要考量是否繼續收案的關鍵是:我們想要以多向度或單向度分析?以目前的樣本數,單向度分析以足夠,但若使用多向度(例如:取得、瞭解、評價、應用四個向度),則樣本數還是太少。


6/1討論記錄
1. 目前決定還是保留ST的題目,但刪除心理治療的題目。因為其實臨床上中風病人有ST需求的比例還是不低,缺的樣本數也不至於太多。
所以接下來會請明昆修改選題方式,改成有在做/做過ST者都必須填這幾題ST的題目;而侯醫師也會聯絡北醫體系的ST協助,並請助理去收案時多收一些在做ST者

2. 目前預計持續在台大與北醫體系收案。署北那邊會停止,因為我們在那邊沒有ST的管道
3. 未來仍可做多向度分析,但可能參數估計不是那麼穩定,但短期內也無法再收更多個案了