Comparison between the Severity Scoring Systems A-DROP and CURB-65 for Predicting Safe Discharge from the Emergency Department in Patients with Community-Acquired Pneumonia

Table 2

Distribution of patients, 30-day mortality, and hospital revisit within 72 hours in each risk class assessed using the A-DROP and CURB-65 scoring systems.

Risk group	Number of patients N = 408	30-day mortality N = 6	Revisit within 72 hours N = 29
A-DROP score
0	44.1 (180)	0.6 (1)	5.0 (9)
1	36.3 (148)	0.7 (1)	6.8 (10)
2	17.2 (70)	4.3 (3)	7.1 (5)
3	2.2 (9)	11.1 (1)	55.6 (5)
4	0.2 (1)	0 (0)	0 (0)
5	0 (0)	0 (0)	0 (0)
CURB-65 score
0	26 (106)	0 (0)	3.8 (4)
1	37 (151)	0.7 (1)	5.3 (8)
2	25.5 (104)	1.9 (2)	9.6 (10)
3	10.0 (41)	4.9 (2)	14.6 (6)
4	1.5 (6)	16.7 (1)	16.7 (1)
5	0 (0)	0 (0)	0 (0)

Data are expressed as % (N).