Research Article

Bacterial Profile and Antibiotic Resistance in Patients with Diabetic Foot Ulcer in Guangzhou, Southern China: Focus on the Differences among Different Wagner’s Grades, IDSA/IWGDF Grades, and Ulcer Types

Table 2

Distribution of bacteria of DFIs of varying Wagner’s grades, IDSA/IWGDF grades, and DFU types.

Classification (n)aGram-positive coccus n (%)Gram-negative bacilli n (%)
Staphylococcus aureusCNSStreptococcusEnterococcusEnterobacteriaceaeAcinetobacterPseudomonas aeruginosaOther non-Enterobacters

DFU type
 NFU (10)2 (20.0)2 (20.0)1 (10.0)1 (10.0)4 (40.0)000
 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)01 (9.1)4 (36.4)000
 Grade 2 (68)10 (14.7)12 (17.6)6 (8.8)8 (11.7)27 (39.4)04 (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)01 (100.0)000000
 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)01 (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.