Table 2.
Distribution of bacteria of DFIs of varying Wagner's grades, IDSA/IWGDF grades, and DFU types.
| Classification (n)a | Gram-positive coccus n (%) | Gram-negative bacilli n (%) | ||||||
|---|---|---|---|---|---|---|---|---|
| Staphylococcus aureus | CNS | Streptococcus | Enterococcus | Enterobacteriaceae | Acinetobacter | Pseudomonas aeruginosa | Other non-Enterobacters | |
| DFU type | ||||||||
| NFU (10) | 2 (20.0) | 2 (20.0) | 1 (10.0) | 1 (10.0) | 4 (40.0) | 0 | 0 | 0 |
| IFU (94) | 21 (22.3) | 14 (14.9) | 6 (6.4) | 8 (8.5) | 30 (31.9) | 3 (3.0) | 9 (9.6) | 3 (3.2) |
| N-IFU (103) | 16 (15.5) | 7 (6.8) | 7 (6.8) | 10 (9.7) | 48 (46.6) | 5 (4.9) | 7 (6.8) | 3 (2.9) |
| Wagner's grades | ||||||||
| Grade 1 (11) | 5 (45.5) | 1 (9.1) | 0 | 1 (9.1) | 4 (36.4) | 0 | 0 | 0 |
| Grade 2 (68) | 10 (14.7) | 12 (17.6) | 6 (8.8) | 8 (11.7) | 27 (39.4) | 0 | 4 (5.9) | 1 (1.4) |
| Grade 3 (71) | 14 (19.7) | 7 (9.8) | 6 (8.5) | 6 (8.5) | 28 (39.4) | 3 (4.2) | 5 (7.0) | 2 (2.8) |
| Grade 4 (57) | 10 (17.5) | 3 (5.3) | 2 (3.5) | 4 (7.0) | 23 (40.3) | 5 (8.7) | 7 (12.3) | 3 (5.3) |
| IWGDF grades | ||||||||
| Grade 1 (1) | 0 | 1 (100.0) | 0 | 0 | 0 | 0 | 0 | 0 |
| Grade 2 (104) | 22 (21.2) | 15 (14.4) | 5 (4.8) | 10 (9.6) | 42 (40.4) | 3 (2.8) | 5 (4.8) | 2 (1.9) |
| Grade 3 (87) | 14 (16.1) | 7 (8.0) | 8 (9.2) | 8 (9.2) | 35 (40.2) | 4 (4.6) | 8 (9.2) | 3 (3.4) |
| Grade 4 (15) | 3 (20.0) | 0 | 1 (6.7) | 1 (6.7) | 5 (33.3) | 1 (6.7) | 3 (20.0) | 1 (6.7da) |
aThe numbers of the pathogens isolated; CNS: coagulase negative staphylococcus, mainly including Staphylococcus epidermidis and Staphylococcus haemolyticus; Streptococcus, including Streptococcus agalactiae and Group G Streptococcus; Enterobacteriaceae, mainly including Escherichia coli, Enterobacter cloacae, Klebsiella pneumonia, and Proteus; Acinetobacter, mainly Acinetobacter baumanii; other non-Enterobacters, mainly including Enterobacter cloacae and Stenotrophomonasmaltophilia.