Table 5.

Association of F-specific papA alleles with serotype and carboxylesterase B type among 75 E. coliurosepsis isolates

papA allele (no. of isolates)GroupNo. with papAallele/total (%)P value
Group membersOther strains
F7-2 (13)O6:K2:H110/11 (91)3/64 (5)<0.001
F10 (20)Carboxylesterase B type B217/48 (35)3/27 (11)0.03
Serogroup O755/5 (100)15/70 (21)<0.001
F11 (10)O1:K1:H7, O2:K1:H710/10 (100)56/65 (9)<0.001
F12 (3)O12:K1:H62/4 (50)1/71 (1)0.006
F13 (2)O6:K5:H−2/2 (100)0/73 (0)<0.001
F14 (6)O2:K5:H1, O2:K7:H13/5 (60)3/70 (4)0.003
F16 (8)O4:K12:H12/3 (67)6/72 (8)0.03
Carboxylesterase B type B16/27 (22)2/48 (4)0.02
O15:K52:H12/2 (100)6/73 (8)0.01
O25:K2:H22/2 (100)6/73 (8)0.01
O1572/2 (100)6/73 (8)0.01
F48a O12:K1:H62/4 (50)2/71 (3)0.01
  • a The F48 allele was discovered as part of present study.