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Table 1 Distribution of leukotoxin and PTSAg genes among S. aureus isolates from blood and wounds

From: Leukotoxin and pyrogenic toxin Superantigen gene backgrounds in bloodstream and wound Staphylococcus aureus isolates from eastern region of China

Gene No. of isolates positive for the gene [% of total (n = 177)] No. of isolates positive for the gene in two origins (%) P value No. of isolates positive for the gene in MRSA and MSSA (%) P value
Blood (n = 88) Wounds (n = 89) MRSA (n = 47) MSSA (n = 130)
Leukotoxin gene
lukED 144 (81.4) 73 (83.0) 71 (80.0) 0.587 32 (68.1) 112 (86.2) 0.006
lukM 0 0 0 NA 0 0 NA
hlgCB 168 (94.9) 81 (92.0) 87 (97.8) 0.099 44 (93.6) 124 (95.4) 0.701
lukAB 120 (67.8) 56 (63.6) 64 (71.9) 0.239 33 (70.2) 87 (66.9) 0.679
lukPV (pvl) 14 (7.9) 7 (7.9) 7 (8.0) 0.982 4 (8.5) 10 (7.7) 1.000
PTSAg gene
tst 13 (7.3) 8 (9.1) 5(5.6) 0.376 5 (10.6) 8 (6.2) 0.335
sea 33 (18.6) 14 (15.9) 19 (21.3) 0.353 13 (27.7) 20 (15.4) 0.220
seb 50 (28.2) 30 (34.1) 20 (22.5) 0.086 16 (34.0) 34 (26.2) 0.303
sec 25 (14.1) 9 (10.2) 16 (18.0) 0.139 10 (21.3) 15 (11.5) 0.100
sed 13 (7.3) 5 (5.7) 8 (9.0) 0.399 4 (8.5) 9(6.9) 0.748
see 0 0 0 NA 0 0 NA
seg 65 (36.7) 33 (37.5) 32 (36.0) 0.831 18 (38.3) 47 (36.2) 0.794
seh 19 (10.7) 10 (11.4) 9 (10.1) 0.788 4 (8.5) 15 (11.5) 0.566
sei 52 (29.4) 31 (35.2) 21 (23.6) 0.089 16 (34.0) 36 (27.7) 0.413
sej 20 (11.3) 8 (9.1) 12 (13.5) 0.356 4 (8.5) 16 (12.3) 0.481
sem 51 (28.8) 31 (35.2) 20 (22.5) 0.061 18 (38.3) 33 (25.4) 0.094
sen 40 (22.6) 28 (31.8) 12 (13.5) 0.001 15 (31.9) 25 (19.2) 0.075
seo 38 (21.5) 25 (28.4) 13 (14.6) 0.025 13 (27.7) 25 (19.2) 0.576
  1. P < 0.05 was considered statistically significant are captured in bold
  2. NA not available