Comparative Study of Modified Quantitative Buffy Coat and Two Rapid Tests in Comparison with Peripheral Blood Smear in Malaria Diagnosis in Mumbai, India
Table 4
Patients infected with P. vivax .
Modified QBC
PLDH
Parahit total
Sensitivity
98 (94.5–98.9)ab
97.0 (93.4–97.9)*a
73% (68.6–73.9%)*b
Specificity
98 (91.1–99.9)cd
98.0 (90.8–99.9)#cd
98% (89.2–99.9%)#d
Positive predictive value
99 (95.5–99.9)
99.0 (95.3 –99.9)
98.6 (92.7–99.9)
Negative predictive value
96.1 (89.3–97.9)
94.2 (87.3–96.1)
64.5 (58.7–65.7)
Likelihood ratio +
49
48.5
36.5
Likelihood ratio −
0.02
0.030
0.27
Odds ratio
2401 (177.42–87320.96)
1584.33 (140.25–44349.3)
132.48 (18.11–2739.27)
Relative risk
25.24 (8.93–48.37)
17.15 (7.52–25.30)
2.77 (2.24–2.91)
Kappa
0.95 (0.85–0.98)
0.941 (0.834–0.969)
0.628 (0.51–0.65)
Overall accuracy
98
97.33
81.33
False positive rate
0.02
0.02
0.02
False negative rate
0.02
0.03
0.27
Statistically significant highly significant.
#Not statistically significant , anot statistical significance .
cNot statistical significant , dnot statistical significance . value is less than 0.0001. It is extremely statistically significant.
