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Table 3 The comparison of diagnostic outcome between the new criteria and the classical criteria by the International Consensus Meeting (ICM) and Infectious Diseases Society of America (IDSA)

From: The 2018 new definition of periprosthetic joint infection improves the diagnostic efficiency in the Chinese population

 

PJI cohort (n = 98)

Aseptic cohort (n = 165)

Sensitivity (95% CI)

Specificity (95% CI)

PV+ (95% CI)

PV (95% CI)

True positives

False negatives

Inconclusive

True negative

False positives

Inconclusive

New criteria

78 (79.6%)

5 (5.1%)

15 (15.3%)

145 (87.9%)

8 (4.8%)

12 (7.3%)

94.9% (87.9–98.1%)

95.2% (90.3–97.7%)

92.1% (84.5–96.3%)

96.9% (92.6–98.9%)

ICM (2013)

52 (53.1%)

46 (46.9%)

/

163 (98.8%)

2 (1.2%)

/

53.1% (42.8–63.1%)

98.8% (95.2–99.8%)

96.3% (86.2–99.4%)

78.0% (71.6–83.3%)

IDSA (2013)

71 (72.4%)

27 (27.6%)

/

143 (86.7%)

22 (13.3%)

/

72.4% (62.3–80.8%)

86.7% (80.3–91.3%)

76.3% (66.2–84.3%)

84.1% (77.6–89.1%)