Table 3

Diagnostic accuracy of LAMP testing on oropharyngeal swabs for predicting meningococcal disease

Index testMeningococcal diseaseSensitivity (95% CI)Specificity (95% CI)Positive predictive value (95% CI)Negative predictive value (95% CI)Positive likelihood ratio (95% CI)Negative likelihood ratio (95% CI)
PresentAbsent
LAMP positive591.00 (0.46 to 1.00)0.97 (0.93 to 0.98)0.36 (0.14 to 0.64)1.00 (0.98 to 1.00)28.3 (14.9 to 53.8)N/A
LAMP negative0246
  • LAMP, loop-mediated isothermal amplification.