Table 1. Virulence and biofilm functions are often inactive in wound isolates.
| Isolate Source |
% Protease Negative (# negative/# total) |
% Rhamnolipid Negative (# negative/# total) |
% Twitching Motility Negative (# negative/# total) |
% Biofilm Deficient (#negative/#total) |
% Swimming Motility Negative (# negative/# total) |
|||||
|---|---|---|---|---|---|---|---|---|---|---|
| Wound #1 | 67% | (306/458) | 69% | (314/457) | 98% | (450/457) | 69% | (43/62) | 65% | (298/458) |
| Wound #2 | 0% | (0/480) | 9% | (42/472) | 97% | (466/480) | 67% | (34/51) | 0% | (2/480) |
| Wound #3 | 58% | (90/154) | 100% | (154/154) | 95% | (146/154) | 9% | (5/57) | 0% | (0/154) |
| Wound #4 | 0% | (0/96) | 38% | (36/96) | 100% | (95/95) | 3% | (2/59) | 0% | (0/96) |
| Wound #5 | 100% | (87/87) | 100% | (87/87) | 100% | (87/87) | 0% | (0/61) | 61% | (53/87) |
| Wound #6 | 1% | (1/93) | 87% | (81/93) | 88% | (82/93) | 14% | (8/57) | 0% | (0/93) |
| Wound #7 | 100% | (190/190) | 100% | (190/190) | 100% | (190/190) | 0% | (0/59) | 1% | (1/190) |
| Total Wound | 43% | (674/1558) | 58% | (904/1549) | 97% | (1516/1556) | 22% | (101/455) | 23% | (354/1558) |
| Blood | 33% | (2/6) | 33% | (2/6) | 17% | (1/6) | 33% | (2/6) | 33% | (2/6) |
| Neonatal | 10% | (1/10) | 22% | (2/9) | 10% | (1/10) | 0% | (0/10) | 0% | (0/10) |
| Pneumonia | 0% | (0/20) | 5% | (1/20) | 5% | (1/20) | 0% | (0/20) | 15% | (3/20) |
| Total Acute | 8% | (3/36)* | 14% | (5/36)* | 8% | (3/36)* | 6% | (2/36) | 14% | (5/36) |
| Environment | 0% | (0/14)* | 8% | (1/14)* | 0% | (0/14)* | 0% | (0/14) | 0% | (0/14) |
* significantly different (p<0.5) by Fisher exact test. For statistical analysis each wound was determined to be positive or negative for each test based on the phenotype of the majority of isolates.