Table 1

Comparison of Original GBA Data with New Data and Combined Data


Terminal Digit of P-Value (Frequency)



Source
 n
 0
 1
 2
 3
 4
 5
 6
 7
 8
 9
 χ2 p-value*
Nature Vols 409–412 (GBA 2004)
 181
 10
 20
 25
 24
 12
 16
 25
 20
 16
 13
 0.086
Nature Vols 413–415
 190
 14
 34
 22
 27
 25
 15
 17
 11
 16
 9
 < 0.001
Combined (Nature Vols 409–415)
 371
 24
 54
 47
 51
 37
 31
 42
 31
 32
 22
 < 0.001
Significant Results Only (p < 0.05)**











Nature Vols 409–412 (GBA 2004)
 85
 2
 12
 15
 17
 7
 7
 11
 8
 5
 1
 0.001
Nature Vols 413–415
 85
 1
 22
 10
 16
 12
 6
 6
 2
 6
 2
 < 0.001
Combined (Nature Vols 409–415)
 170
 3
 34
 25
 33
 19
 13
 17
 10
 11
 3
 < 0.001
Nonsignificant Results Only (p ≥ 0.05)











Nature Vols 409–412 (GBA 2004)
 96
 8
 8
 10
 7
 5
 9
 14
 12
 11
 12
 0.646
Nature Vols 413–415
 105
 13
 12
 12
 11
 13
 9
 11
 9
 10
 7
 0.956
Combined (Nature Vols 409–415)
 201
 21
 20
 22
 18
 18
 18
 25
 21
 21
 19
 0.988

* The null hypothesis is that the terminal digits have a discrete uniform distribution

** Due to small sample sizes in some cells, the p-values were calculated through Monte Carlo simulation[16].

Phillips et al. Emerging Themes in Epidemiology 2008 5:9   doi:10.1186/1742-7622-5-9