Sequential Pattern Mining to Predict Medical In-Hospital Mortality from Administrative Data: Application to Acute Coronary Syndrome

Table 6

Internal validation: AURC, error rate, numbers of predicted, and observed deaths by context according to the type of trajectory.

Context	DRG trajectories				ICD-10 code trajectories
	AURC	Error rate	Observed	Predicted	AURC	Error rate	Observed	Predicted
Man and >65 years and ≤5 stays	0.93	0.11	16	12.6	0.98	0.08	16	14
Woman and 45–65 years	0.96	0.05	15	14.8	0.99	0.07	15	13.4
>65 years and ≤5 stays	0.91	0.09	16	14.6	0.85	0.14	16	13.4
Man and 45–65 years and ≤5 stays	0.99	0.04	16	15.4	0.99	0.05	16	15.6
45–65 years and ≤5 stays	0.99	0.03	16	15.2	0.98	0.05	16	15.6
Woman and >65 years and >5 stays	0.87	0.22	20	16.8	0.93	0.2	20	18.4
Woman and >65 years	0.92	0.16	26	22.6	0.87	0.18	26	24.6
Man and ≤5 stays	0.97	0.07	14	14	0.97	0.02	14	13.8
≤5 stays	0.97	0.03	20	19	0.99	0.04	20	19
Woman and >5 stays	0.93	0.19	24	16.8	0.96	0.20	24	20
Woman	0.93	0.13	30	24.2	0.94	0.14	30	26.8
Man and 45–65 years and >5 stays	0.89	0.27	22	20.4	0.86	0.27	22	17.2
Man and >65 years and >5 stays	0.82	0.29	46	32	0.84	0.28	46	34.2
45–65 years and >5 stays	0.86	0.27	24	19.8	0.78	0.39	24	16.2
Man and 45–65 years	0.93	0.07	15	14.2	0.78	0.35	26	20.4
Man and >65 years	0.84	0.25	56	42.4	0.80	0.28	56	44.2
45–65 years	0.82	0.26	30	22	0.82	0.29	30	18.6
>65 years and >5 stays	0.71	0.32	66	31.6	0.71	0.33	66	63.6
>65 years	0.76	0.26	82	56.2	0.74	0.27	82	48.4
Man and >5 stays	0.79	0.31	70	56.4	0.74	0.33	70	59.2
Man	0.78	0.30	84	94.6	0.92	0.23	84	79.4
>5 stays	0.82	0.28	92	88	0.82	0.26	92	75.2
General	0.81	0.25	114	69.4	0.81	0.25	114	88.6

Best results are in bold.