Table 4.
Baseline characteristics of cases (transmission strains) and controls (chronic strains)
Characteristics |
Transmission Strains |
Chronic Controls |
---|---|---|
(n = 133) | (n = 133) | |
Subtype,n(%) |
|
|
B |
78 (58.7) |
78 (58.7) |
C |
55 (41.4) |
55 (41.4) |
α4β7 Binding Site,n(%) |
|
|
LDV |
44 (33.1) |
56 (42.1) |
LDI |
48 (36.1) |
36 (27.1) |
Both |
92 (69.2) |
94 (70.1) |
Contains the ‘D’ |
133 (100) |
131 (98.5) |
Histidine at position 12,n(%) |
|
|
|
61 (45.9) |
59 (44.4) |
Histidine or Arginine at position 12,n(%) | ||
|
71 (53.4) |
69 (51.9) |
Amino Acid Length, V1 loop |
|
|
Range |
9 to 48 |
15 to 45 |
Mean (standard deviation) |
25.5 (6.12) |
26.8 (6.40) |
Amino Acid Length, V2 loop |
|
|
Range |
33 to 52 |
33 to 59 |
Mean (standard deviation) |
37.9 (3.37) |
38.0 (3.69) |
Amino Acid Length, V3 loop |
|
|
Range |
27 to 28 |
26 to 31 |
Mean (standard deviation) |
27.8 (0.41) |
27.9 (0.50) |
Amino Acid Length, V4 loop |
|
|
Range |
6 to 30 |
2 to 27 |
Mean (standard deviation) | 18.2 (4.40) | 18.0 (4.13) |