Validation of a Prediction Rule for Prognosis of Severe Community- Acquired Pneumonia

Table 2: Stratification of Patients into Risk Classes and Subclasses in the Validation Population^*

	Initial Risk Class
	I		II			III
Patients	122		272			117
Deaths	10 (8.2%)		62 (22.8%)			76 (65.0%)
	Points of Adjustment Risk Score
	≤ 2	> 2	0	1 or 2	> 2	≤2	> 2
Patients	104	18	131	62	79	77	40
Deaths	4 (3.9%)	6 (33.3%)	4 (3.1%)	8 (12.9%)	50 (63.3%)	43 (55.8%)	33 (82.5%)

^* Data are presented as No. (%).