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Impact of antibiotic treatment 2 weeks before diagnosis on diagnostic accuracy in patients with PJI (%)
PJI患者诊断前2周抗生素治疗与否各诊断方法诊断准确性比较（%）
| 诊断方法 Diagnostic method |
抗生素治疗 Antibiotic therapy |
未行抗生素治疗 Without antibiotic therapy |
统计量 Statistical value |
P值 P value |
| TPBS | 89.1 | 86.9 | χ2=0.133 | 0.716 |
| CRP | 63.6 | 83.6 | χ2=6.016 | 0.014 |
| TPBS-CRP | 98.2 | 95.1 | χ2=0.835 | 0.620 |
