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Table 2 False positive error rates are estimated under the null hypothesis.

From: A systematic search for SNPs/haplotypes associated with disease phenotypes using a haplotype-based stepwise procedure

Odds

Sample Sizes

Ratios

250 × 2

500 × 2

1,000 × 2

Null Hypothesis

   

4.6

5.2

4.9

Alternative Hypothesis with a Single Functional SNP: 0 (ref) and 1

1.10

1.0/1.0/5.8

13.6/13.6/6.4

23.2/27.9/8.3

1.20

13.7/17.2/7.3

31.0/37.9/5.5

47.2/56.3/6.7

1.30

19.0/23.8/4.9

46.7/51.6/9.0

62.5/75.0/7.3

1.40

42.5/44.7/8.0

68.5/74.0/6.5

75.7/82.0/6.8

1.50

57.6/64.4/6.5

77.8/80.0/7.0

83.0/88.0/6.1

2.00

77.0/84.0/6.7

90.0/90.8/4.9

93.8/93.8/5.6

3.00

90.5/92.9/4.8

94.8/95.5/6.1

96.4/97.0/5.2

5.00

92.1/93.5/4.3

96.3/96.3/4.9

97.5/98.0/5.0

Alternative Hypothesis with Two SNPs: 00 (ref), 01, 10 & 11

Scenario 1

1.0

1.3

1.0

17.6/41.2/7.3

42.9/67.8/6.0

39.4/71.1/9.0

1.0

1.5

1.0

30.9/57.1/9.1

44.4/76.1/8.0

45.9/72.7/10.0

1.0

2.0

1.0

57.5/90.0/5.3

62.2/95.0/4.0

79.9/99.3/1.3

1.0

3.0

1.0

61.2/96.3/4.7

63.0/98.0/2.0

89.0/99.0/1.0

1.0

5.0

1.0

64.8/97.8/3.3

66.7/99.7/1.4

100/100/2.0

Scenario 2

1.0

1.0

1.3

20.0/46.3/5.0

26.1/60.0/6.1

30.7/69.2/7.5

1.0

1.0

1.5

16.7/50.0/4.0

23.5/52.9/6.0

29.2/78.4/6.5

1.0

1.0

2.0

10.0/55.6/5.5

20.0/66.7/6.5

36.0/80.1/6.3

1.0

1.0

3.0

20.5/74.7/8.0

25.7/74.6/6.4

34.4/81.0/7.0

1.0

1.0

5.0

31.6/80.8/9.3

32.9/82.1/6.2

33.3/85.2/6.0

Scenario 3

1.0

1.3

1.3

20.8/54.1/7.3

21.6/59.5/10.1

40.4/67.4/8.1

1.0

1.3

1.5

22.9/47.6/7.3

38.3/78.5/6.0

39.5/79.8/8.0

1.0

1.3

2.0

15.6/48.5/7.6

32.0/79.0/6.3

44.5/85.3/7.3

1.0

1.3

3.0

26.7/77.4/6.3

38.7/80.1/6.2

50.7/91.3/4.6

1.0

1.3

5.0

30.3/78.7/6.6

41.3/82.6/6.0

55.5/91.0/4.4

Scenario 4

1.0

1.5

1.3

44.4/72.2/6.7

45.9/79.7/10.0

53.3/88.7/7.1

1.0

1.5

1.5

50.0/75.0/6.6

45.7/80.6/9.2

47.8/87.3/7.0

1.0

1.5

2.0

33.9/69.5/9.7

37.5/79.4/8.3

49.7/93.7/6.3

1.0

1.5

3.0

28.1/74.6/9.0

42.1/82.0/6.7

51.0/94.9/6.0

1.0

1.5

5.0

39.4/86.2/7.7

49.2/94.89/5.7

53.0/99.4/5.0

Scenario 5

2.0

1.5

1.3

50.1/82.1/5.3

51.9/85.8/7.0

56.3/90.1/7.5

2.0

1.5

1.5

51.7/89.4/7.3

52.4/90.0/7.0

57.4/93.5/6.7

2.0

1.5

2.0

52.6/89.3/9.3

51.0/92.8/6.3

60.0/99.7/5.0

2.0

1.5

3.0

52.7/89.3/9.0

54.1/90.3/6.2

65.4/100/4.8

2.0

1.5

5.0

53.8/89.6/5.3

55.3/96.7/5.3

70.1/100/4.7

  1. Also estimated, under alternative hypotheses with either a single SNP or two SNPs, are the true discovery rate (TDR), imperfect true discovery rate (iTDR) and false positive error rate (FPER).