Table 5

Multiple infection (MI) rates from the total data set and various subsamples.

Sample or Subsample

Observed or Expected Number of MI

Observed or Expected Incidence of MI

Incidence of MI from other study

Sample Size Other Study

p-value

Refer-ence Other Study

All data

23.00

0.40

0.143

7

0.2293

[9]

pol data only

12

0.21

0.078

64

0.0431

[12]

env data only

12

0.21

2 visits per subject

19.92

0.34

2 visits per subject; env data only

10.67

0.18

2 visits per subject; pol data only

9.75

0.17

2 visits per subject; env data only; 10 sequences per subject

8.14

0.14

0.000

37

0.0031

[14]

1 visit per subject

8.83

0.15

1 visit per subject; env data only

3.58

0.06

0.013

147

0.0793

[10]

1 visit per subject; pol data only

5.25

0.09

1 visit per subject; pol data only; 2.5 sequences per subject

3.60

0.06

1 visit per subject; pol data only; 2.5 sequences per subject; assume no intergenic recombination

0.16

0.00

0.000

718

0.2563

[11]

Templeton et al. Retrovirology 2009 6:54   doi:10.1186/1742-4690-6-54