TABLE 1.

PPV of Kocher Score for Septic Arthritis

Kocher Score	Published Likelihood of Septic Arthritis, %	No. Casesa	Septic Arthritis (N = 26), n (%)	PPV for Cut-point, % (95% CI)
0	0	16	0 (0)	11 (7–16)
1	3	74	3 (12)	12 (8–17)
2	40	85	7 (27)	16 (10–23)
3	93	46	11 (42)	28 (17–41)
4	99	12	5 (19)	42 (15–72)
Total	—	233	26 (100)	—

—, not applicable.

^aPatients with missing data for the Kocher criteria without 2 or more high-risk predictors did not have a Kocher score calculated (n = 5).