KRT5 and pyelonephritis: Among the extraintestinal virulence markers included in this scheme, the specific pilus tip adhesin molecule type II associated with pyelonephritis (papGII) was present in all isolates, the secreted autotransporter toxin (sat) was detected in 14 isolates (82.3%), and the K5 group II capsule (kpsMII-K5) was found in 10 isolates (58.8%).