Table 3 Diagnostic testsa and associated results
|  | All (n = 465) | Non-purulent group (n = 369) | Purulent group (n = 96) | P-value |
|---|---|---|---|---|
Diagnostic testa performed (%) | 432 (92.9) | 338 (91.6) | 94 (97.9) | 0.032 |
Wound culture (%) | 155 (33.3) | 67 (18.2) | 88 (91.7) | <0.001 |
 Positive prevalence (%) | 110 (71) | 32 (47.8) | 78 (88.6) | <0.001 |
Blood culture (%) | 351 (75.5) | 291 (78.9) | 60 (62.5) | 0.001 |
 Positive prevalence (%) | 33 (9.4) | 24 (8.2) | 9 (15) | 0.103 |
ASOT (%) | 210 (45.2) | 192 (52.0) | 18 (18.8) | <0.001 |
 Positive prevalence (%) | 84 (40.0) | 82 (42.8) | 2 (11.1) | 0.031 |
  One set | 72 (34.3) | 70 (36.5) | 2 (11.1) |  |
  Paired | 12 (5.7) | 12 (6.3) | 0 (0.0) |  |
Puncture biopsy (%) | 1 (0.2) | 1 (0.3) | 0 (0.0) | 1.000 |
 Positive prevalence (%) | 0 | 0 | 0 |  |