Table 2.

Levels of agreement between nurses and psychiatrists.

	κ (95% CI)	Sensitivity (95% CI)	Specificity (95% CI)
Mental illness	0.76 (0.68 to 0.84)	0.84 (0.77 to 0.91)	0.92 (0.87 to 0.97)
Depression	0.78 (0.68 to 0.89)	0.73 (0.61 to 0.85)	0.98 (0.96 to 1.00)
Anxiety/stress-related disorders	0.65 (0.49 to 0.81)	0.72 (0.54 to 0.90)	0.92 (0.95 to 0.98)
Psychosis	0.92 (0.71 to 1.00)	0.86 (0.62 to 1.00)	1.00
Other	0.69 (0.45 to 0.92)	1.00	0.97 (0.95 to 0.99)

Positive predictive accuracy: 80/90 = 0.89, 95% CI, 0.83 to 0.95. Negative predictive accuracy: 110/125 = 0.88, 95% CI 0.82 to 0.94.