病例对照研究的样本含量 α=0.01 1-β=.90(单侧检验)
对照组暴露者比例 |
相对危险度 |
例病/对照 |
.01 |
.05 |
.10 |
.15 |
.20 |
.25 |
.30 |
.40 |
.50 |
.60 |
.70 |
.80 |
1.5 |
1:1 |
13608 |
2886 |
1556 |
1122 |
913 |
796 |
726 |
662 |
662 |
718 |
854 |
1165 |
1:2 |
10010 |
2127 |
1149 |
831 |
678 |
592 |
541 |
495 |
497 |
541 |
645 |
834 |
1:4 |
8198 |
1745 |
945 |
684 |
559 |
489 |
448 |
411 |
414 |
452 |
541 |
742 |
2.0 |
1:1 |
4177 |
898 |
493 |
361 |
299 |
265 |
245 |
230 |
237 |
265 |
323 |
453 |
1:2 |
3031 |
654 |
360 |
265 |
220 |
196 |
182 |
172 |
179 |
200 |
246 |
346 |
1:4 |
2448 |
530 |
293 |
217 |
181 |
161 |
150 |
143 |
149 |
168 |
207 |
292 |
2.5 |
1:1 |
2202 |
479 |
267 |
198 |
166 |
149 |
140 |
135 |
142 |
162 |
202 |
228 |
1:2 |
1582 |
346 |
194 |
145 |
122 |
110 |
104 |
101 |
107 |
123 |
154 |
221 |
1:4 |
1263 |
278 |
156 |
118 |
100 |
90 |
85 |
84 |
89 |
103 |
129 |
187 |
3.0 |
1:1 |
1433 |
315 |
178 |
134 |
114 |
103 |
98 |
96 |
103 |
119 |
151 |
219 |
1:2 |
1022 |
226 |
129 |
98 |
83 |
76 |
73 |
72 |
78 |
91 |
116 |
163 |
1:4 |
809 |
180 |
103 |
79 |
68 |
62 |
59 |
59 |
65 |
76 |
97 |
142 |
4.0 |
1:1 |
811 |
182 |
105 |
81 |
70 |
65 |
62 |
63 |
70 |
83 |
108 |
159 |
1:2 |
572 |
130 |
76 |
59 |
51 |
48 |
46 |
48 |
53 |
63 |
83 |
123 |
1:4 |
446 |
102 |
60 |
47 |
41 |
39 |
38 |
39 |
44 |
53 |
70 |
104 |
5.0 |
1:1 |
555 |
127 |
75 |
58 |
52 |
48 |
47 |
45 |
56 |
67 |
88 |
132 |
1:2 |
389 |
90 |
54 |
42 |
38 |
36 |
35 |
37 |
42 |
51 |
68 |
103 |
1:4 |
300 |
70 |
42 |
34 |
30 |
29 |
29 |
30 |
35 |
43 |
57 |
87 |
7.5 |
1:1 |
305 |
73 |
45 |
36 |
33 |
32 |
32 |
35 |
41 |
51 |
68 |
104 |
1:2 |
212 |
51 |
32 |
26 |
24 |
24 |
24 |
26 |
31 |
39 |
53 |
81 |
1:4 |
161 |
39 |
25 |
21 |
19 |
19 |
19 |
21 |
26 |
32 |
44 |
68 |
10.0 |
1:1 |
210 |
52 |
33 |
28 |
26 |
25 |
26 |
29 |
35 |
44 |
60 |
93 |
1:2 |
145 |
36 |
24 |
20 |
19 |
19 |
19 |
22 |
26 |
34 |
46 |
72 |
1:4 |
109 |
28 |
18 |
16 |
15 |
15 |
16 |
18 |
22 |
28 |
39 |
61 |
15.0 |
1:1 |
129 |
34 |
23 |
20 |
20 |
20 |
21 |
24 |
29 |
38 |
53 |
83 |
1:2 |
89 |
24 |
17 |
15 |
14 |
15 |
15 |
18 |
22 |
29 |
41 |
65 |
1:4 |
66 |
18 |
13 |
11 |
11 |
12 |
12 |
15 |
18 |
24 |
34 |
54 |
20.0 |
1:1 |
94 |
26 |
19 |
17 |
17 |
17 |
18 |
22 |
27 |
35 |
50 |
78 |
1:2 |
65 |
19 |
13 |
12 |
12 |
13 |
14 |
16 |
21 |
27 |
33 |
61 |
1:4 |
48 |
14 |
10 |
10 |
10 |
10 |
11 |
13 |
17 |
22 |
32 |
51 |
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