Chest Radiographs for Pediatric TB Diagnosis: Interrater Agreement and Utility

Table 2

Overall agreement amongst all raters on lymphadenopathy and quality of CXR.

Rating	Kappa (95% CI)	value
Lymphadenopathy
Present	0.27 (0.129–0.448)	<0.001
Absent	0.29 (0.163–0.430)	<0.001
Equivocal	0.17 (0.044–0.423)	<0.001
Overall weighted kappa	0.26 (0.182–0.355)	<0.001
Quality of radiographs
Optimal	−0.1324	0.999
Suboptimal	−0.1674	0.999
Unreadable	−0.0184	0.8822
Overall weighted kappa	−0.1452	0.998