Table 2.

Observed and predicated rates of in-hospital and 1-year mortality in the FORCE-ACS validation cohort

	n	Event rates		Calibration*		Discrimination
		Observed event rate (%)	Predicted event rate (%)	χ2	P value	C-statistic (95% CI)
In-hospital mortality	5015	2.1	3.6	41.9	<0.01	0.86 (0.83 to 0.90)
Men	3574	1.8	3.5	37.0	<0.01	0.87 (0.82 to 0.92)
Women	1441	2.8	3.7	9.8	0.28	0.85 (0.79 to 0.91)
<75 years	3586	1.1	2.6	39.5	<0.01	0.85 (0.78 to 0.91)
≥75 years	1429	4.6	5.9	8.3	0.40	0.80 (0.75 to 0.86)
NSTE-ACS	2965	1.3	2.8	26.3	<0.01	0.85 (0.80 to 0.91)
STE-ACS	2050	3.2	4.7	18.6	0.02	0.86 (0.81 to 0.91)
PRECISE-DAPT score <25	3408†	0.8	2.3	41.6	<0.01	0.79 (0.69 to 0.88)
PRECISE-DAPT score ≥25	1510†	5.0	6.4	10.6	0.23	0.80 (0.75 to 0.85)
One-year mortality	5015	5.4	9.0	95.6	<0.01	0.82 (0.79 to 0.84)
Men	3574	4.6	8.7	87.3	<0.01	0.83 (0.79 to 0.86)
Women	1441	7.4	9.8	19.1	0.01	0.80 (0.76 to 0.84)
<75 years	3586	2.5	6.1	89.4	<0.01	0.79 (0.74 to 0.84)‡
≥75 years	1429	12.7	16.3	33.5	<0.01	0.70 (0.66 to 0.74)‡
NSTE-ACS	2965	5.3	8.6	48.7	<0.01	0.82 (0.79 to 0.85)
STE-ACS	2050	5.6	9.6	50.0	<0.01	0.82 (0.78 to 0.86)
PRECISE-DAPT score <25	3408†	1.8	5.7	103.0	<0.01	0.75 (0.69 to 0.82)
PRECISE-DAPT score ≥25	1510†	13.2	16.4	24.0	<0.01	0.69 (0.65 to 0.73)

*Hosmer-Lemeshow goodness-of-fit test.

†PRECISE-DAPT score could not be calculated in 97 cases (1.9%).

‡P value <0.05, differences between the c-statistics.

NSTE-ACS, non-ST-segment elevation acute coronary syndrome; STE-ACS, ST-segment elevation acute coronary syndrome.