Table 2.

Performance of V66.7 Code for Identifying Receipt of Palliative Care Consultation for All Patients and Across Subgroups

	Sensitivity, %	Specificity, %	AUC	PPV, %	NPV, %	LR+	LR−
All patients	49.87	99.14	0.75	54.01	98.99	58.1	0.51
Died in hospital
Yes	53.91	75.06	0.64	43.95	81.78	2.16	0.61
No	47.92	99.59	0.74	61.72	99.28	116.34	0.52
Admitted to ICU
Yes	42.56	97.31	0.70	55.54	95.54	15.80	0.59
No	55.40	99.37	0.77	53.16	99.42	87.71	0.45
Charlson comorbidity index
0	27.16	99.80	0.63	48.15	99.50	133.69	0.73
1–2	49.80	99.08	0.74	48.14	99.13	53.90	0.51
≥3	56.41	97.79	0.77	57.59	97.68	25.53	0.45
Nonmetastatic cancer
Yes	61.88	97.09	0.79	60.39	97.26	21.27	0.39
No	44.12	99.35	0.72	50.42	99.16	67.66	0.56
Metastatic cancer
Yes	66.28	94.13	0.80	66.67	94.03	11.29	0.36
No	44.08	99.30	0.72	49.06	99.14	65.57	0.56
CHF
Yes	44.58	98.30	0.71	50.59	97.84	26.19	0.56
No	52.05	99.29	0.76	55.32	99.19	73.40	0.48
COPD
Yes	61.28	97.59	0.79	50.97	98.41	25.45	0.40
No	32.53	99.80	0.66	65.15	99.23	163.59	0.68
Moderate to severe liver disease
Yes	61.11	96.33	0.79	59.23	96.59	16.64	0.40
No	49.12	99.18	0.74	53.61	99.02	60.14	0.51
Dementia
Yes	76.32	95.72	0.86	39.73	99.09	17.81	0.25
No	49.36	99.18	0.74	54.60	98.99	60.02	0.51
Discharged to a facility
Yes	41.42	98.87	0.70	54.24	98.12	36.73	0.59
No	51.42	99.17	0.75	53.98	99.08	61.99	0.49

AUC, area under the curve; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease; LR+, positive likelihood ratio; LR−, negative likelihood ratio; NPV, negative predictive value; PPV, positive predictive value.