G1-G2 Cut-off AUC Sensitivity Specificity PPV NPV
CRP 14.5 0.54(0.48-0.61) 62.1(44.8-77.5) 42.9(24.5-62.8) 59(42.6-74.2) 46.2(26.6-66.6)
IMA 2.48 0.58(0.43-0.64) 62.2(44.8-77.5) 60.7(40.6-78.5) 67.6(49.5-82.6) 54.8(36-72.7)
G1-G3
CRP 18.8 0.76(0.62-0.87) 80.9(58.1-94.6) 64.3(44.1-81.4) 63(42.4-80.6) 81.8(59.7-94.8)
IMA 2.56 0.53(0.39-0.97) 76.2(52.8-91.8) 39.3(21.5-59.4) 48.5(30.8-66.5) 68.7(41.3-89)
G1-G4
CRP 31.2 0.98(0.92-1) 94.7(74-99.9) 100(87.7-100) 100(81.5-100) 96.6(82.2-99.9)
IMA 2.66 0.89(0.77-0.96) 68.4(43.4-87.4) 100(87.7-100) 100(75.3-100) 82.4(65.5-93.2)
G1-G5
CRP 31.2 1.00(0.91-1.00) 100(75.3-100) 100(87.7-100) 100(75.3-100) 100(87.7-100)
IMA 2.66 0.93(0.81-0.99) 84.6(54.6-98.1) 100(87.7-100) 100(71.5-100) 93.3(77.9-99.2)
G2-G3
CRP 16.6 0.75(0.62-0.86) 90.5(69.6-98.8) 51.3(34.4-98.1) 51.4(34.4-68.1) 89.1(71.2-98.3)
IMA 2.39 0.56(0.42-0.69) 80.9(58.1-94.6) 40.5(24.8-57.9) 43.6(27.8-60.4) 78.9(54.4-93.6)
G2-G4
CRP 28.9 0.99(0.93-1.00) 94.7(74-99.9) 100(90.5-100) 100(81.5-100) 97.4(86.2-99.9)
IMA 2.68 0.90(0.78-0.96) 68.4(43.4-87.4) 94.6(81.8-99.3) 86.7(59.5-98.3) 85.4(70.8-94.4)
G2-G5
CRP 28.9 1.00(0.93-1.00) 100(75.3-100) 100(90.5-100) 100(75.3-100) 100(90.5-100)
IMA 2.91 0.95(0.84-0.99) 84.6(54.6-98.1) 100(90.5-100) 100(71.5-100) 94.9(82.7-99.4)
G3-G4
CRP 37.4 0.96(0.85-0.99) 89.5(66.9-98.7) 100(83.9-100) 100(80.5-100) 91.3(72.1-98.9)
IMA 2.55 0.88(0.75-0.96) 94.7(74-99.9) 71.4(47.8-88.7) 75(53.3-90.2) 93.7(69.8-99.8)
G3-G5
CRP 37.4 1.00(0.89-1.00) 100(75.3-100) 100(83.9-100) 100(75.3-100) 100(83.9-100)
IMA 2.64 0.94(0.79-0.99) 84.6(54.6-98.1) 95.2(76.2-99.9) 91.7(61.5-99.8) 90.9(70.8-98.9)
G4-G5
CRP 58.7 0.69(0.50-0.83) 53.8(25.1-80.8) 89.4(66.9-98.7) 77.8(40.0-97.2) 73.9(51.6-89.8)
IMA 2.94 0.86(0.69-0.96) 84.6(54.6-98.1) 94.7(74.1-99.9) 91.7(61.5-99.8) 90.0(68.3-98.8)
Osteomyelitis
CRP 31.2 0.89(0.82-0.94) 71.7(57.7-83.2) 100(94.5-100) 100(97.7-100) 81.2(71.0-89.1)
IMA 2.68 0.75(0.66-0.82) 47.2(33.3-61.4) 96.9(89.3-99.6) 92.6(75.7-99.1) 69.2(58.7-78.5)