Table 3 Cohen’s kappa coefficients between the diagnostic tests
From: Diagnosis of placental malaria in poorly fixed and processed placental tissue
Tests chosen to compute the κ coefficient | κ value | p value for H 0 : κ = 0 | |
|---|---|---|---|
Test 1 | Test 2 | ||
Histopathology by P1 | Histopathology by P2 | −0.0462 | 0.5448 |
Histopathology by P1 | IHC | 0.0594 | 0.4002 |
Histopathology by P1 | PCR | −0.0425 | 0.5907 |
Histopathology by P2 | IHC | 0.2775 | 0.0005* |
Histopathology by P2 | PCR | 0.2916 | 0.0003* |
IHC | PCR | 0.3176 | <0.0001* |