| Type of diagnostic tests | |||
---|---|---|---|---|
Clinical observation(N=191) | Gram stain(N=32) | |||
pos | neg | pos | neg | |
PCR | ||||
âPos | 62 | 22 | 29 | 1 |
âNeg | 8 | 99 | 1 | 1 |
Sensitivity | 73.81% | 96.67 | ||
Specificity | 92.52 % | 50 | ||
Accuracy | AUC | 0.832 | 0.733 | |
95% CI | 0. 768-0. 895 | 0.283-1 | ||
p | <0.001 | 0.028 | ||
Agreement | k | 0.675 | 0.467 | |
95% CI | 0.570-0.78 | -0.160 - 1.000 | ||
p | <0.001 | 0.008 |