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Table 1 Strength of agreement responded to value of κ

From: Development and implementation of the quality control panel of RT-PCR and real-time RT-PCR for avian influenza A (H5N1) surveillance network in mainland China

Value of κ

Strength of agreement

<0.20

Poor

0.21-0.40

Fair

0.41-0.60

Moderate

0.61-0.80

Good

0.81-1.00

Very good