Observed (n)
Expecteda (n)
Observed/ Expecteda
95% CI
Within-genus clustering
Alphapapillomavirus, number of types detected in sample Expected with total type independence
0
1718
1693
1.01
1.01-1.02
1
257
299
0.86
0.81-0.91
2+
44
26
1.74
1.26-2.44
Betapapillomavirus, number of types detected in sample Expected with total type independence
0
1719
1675
1.03
1.02-1.03
1
225
299
0.75
0.71-0.80
2+
56
26
2.24
1.65-3.29
Cross-genus clustering
Number of genera detected in sample Expected with total type independence
0 (Alpha-, Beta-)
1456
1405
1.04
1.02-1.05
1 (Either)
511
543
0.94
0.90-0.99
1 (Alpha+, Beta-)
263
270
0.97
0.93-1.03
1 (Alpha-, Beta+)
248
273
0.91
0.86-0.96
2 (Alpha+, Beta+)
33
52
0.64
0.51-0.83
Number of genera detected in sample Expected with within-genus clustering
0 (Alpha-, Beta-)
1456
1463
1.00
0.99-1.00
1 (Either)
511
495
1.03
0.99-1.08
1 (Alpha+, Beta-)
263
256
1.03
0.99-1.07
1 (Alpha-, Beta+)
248
239
1.04
0.99-1.09
2 (Alpha+, Beta+)
33
42
0.80
0.62-1.06