Table 1.

Statistical analysis of results of comparison of LAMP with PCR and blood smear examination using MedCalc's Diagnostic test evaluation calculator

TEST	PCR			Blood smear
LAMP	Positive	Negative	Total	Positive	Negative	Total
Positive	23	4	27	16	11	27
Negative	0	73	73	0	73	73
Total	23	77	100	16	84	100

Statistics	Value	95% confidence interval	Value	95% confidence interval
Sensitivity	100.00%	85.18–100.00%	100.00%	79.41–100.00%
Specificity	94.81%	87.23–98.57%	86.90%	77.78–93.28%
Positive likelihood ratio	19.25	7.41–49.98	7.64	4.40–13.25
Negative likelihood ratio	0.00		0.00
Disease prevalence	23.00%	215.17–32.49%	16.00%	9.43–24.68%
Positive predictive value	85.19%	68.89–93.72%	59.26%	45.61–71.62%
Negative predictive value	100.00%		100.00%
Accuracy	96.00%	90.07–98.90%	89.00%	81.17–94.38%
Kappa	0.894		0.680
S.E. of kappa	0.052		0.086
95% confidence interval	0.792 to 0.995		0.511 to 0.849