. Author manuscript; available in PMC: 2015 Apr 1.

Published in final edited form as: Respirology. 2014 Jan 26;19(3):382–388. doi: 10.1111/resp.12237

Table 3.

Predicted probability of in-hospital mortality stratified by procalcitonin level.

Oxygen saturation <90%	Respiratory rate ≥30 breaths/minute	Procalcitonin ≤0.5ng/ml		Procalcitonin >0.5ng/ml		p-value
		Mean PP^* (95%CI)	n	Mean PP^* (95%CI)	n
No	No	1% (0.3–6)	51	10% (6–17)	98	0.004
Yes	No	4% (1–19)	5	26% (11–49)	8	0.32
No	Yes	3% (1–13)	1 5	19% (10–33)	36	0.25
Yes	Yes	9% (2–30)	7	42% (24–62)	17	0.17

Total N=237 (missing 4)

PP=predicted probability