Table 2.

Pooled Analysis on Quality of Dichotomized Pain Variables

	N	Sensitivity	Specificity	γ	κ
Quality of the variable
“Severe pain”
All residents	3,469	0.72	0.89	0.05	0.60
Nursing home hospice use
No or low	2,285	0.77	0.86	0.11	0.60
Medium	453	0.70	0.95	−0.02	0.65
High	731	0.50	0.95	−0.18	0.49
Quality of the variable
“Mild daily or worse pain”
All residents	3,469	0.80	0.86	0.02	0.65
Nursing home hospice use
No or low	2,285	0.83	0.83	0.05	0.66
Medium	453	0.75	0.90	0.01	0.64
High	731	0.65	0.91	−0.10	0.58