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. 2012 Nov 21;10:70. doi: 10.1186/1477-5956-10-70

Table 3.

The estimated minimal sample number per group for five proteins based on western blot, where power is the power of statistical test, α is the significance level, and π refers to the estimated proportion of truly differentially expressed proteins among all of the identified proteins.

fold change
power
α
π
FDR
alpha 1
ceruloplasmin
beta-2
          antitrypsin   microglobulin
2
0.8
0.001
0.05
2.31%
26
38
33
 
0.8
0.005
0.1
5.33%
20
30
26
 
0.8
0.01
0.2
4.76%
18
26
22
 
0.9
0.001
0.05
2.06%
31
46
39
 
0.9
0.005
0.1
4.76%
25
37
31
 
0.9
0.01
0.2
4.26%
22
33
28
1.5
0.8
0.001
0.05
2.31%
93
143
121
 
0.8
0.005
0.1
5.33%
73
111
95
 
0.8
0.01
0.2
4.76%
64
98
83
 
0.9
0.001
0.05
2.06%
113
174
148
 
0.9
0.005
0.1
4.76%
91
139
118
  0.9 0.01 0.2 4.26% 81 124 105