. 2017 Jul 12;14:27. doi: 10.1186/s12014-017-9162-0

Table 2.

Capacity of plasma concentrations of SAA to distinguish between patients who went on to develop an infection and those who did not

Day	Number of patients		Mean SAA concentration (µg/mL) ± SD			ROC curve
	No infection	Infection	No infection	Infection	p value	AUC (95% CI)	Cut-off	SP% (95% CI)	SE% (95% CI)
	No infection	Infection	No infection	Infection	p value	pAUC (95% CI)	Cut-off	SP 90–100% (95% CI)	SE% (95% CI)
0	19	21	16 ± 38.4	61.8 ± 96.7	0.01	73.2 (55.9–87)	14.2	84.2 (68.4–100)	61.9 (38.1–81)
0	19	21	16 ± 38.4	61.8 ± 96.7	0.01	2.53 (0–6.7)	24.7	94.7 (84.2–100)	42.9 (23.8–62.02)
1	19	17	28.2 ± 62.6	57.7 ± 92.9	0.005	77.1 (60.1–92)	8.8	63.2 (42.1–84.2)	88.2 (70.6–100)
1	19	17	28.2 ± 62.6	57.7 ± 92.9	0.005	2.3 (0.6–6.5)	133.4	94.7 (84.2–100)	35.3 (11.8–58.8)
3	19	21	27.6 ± 55.2	140.9 ± 136	0.001	80.7 (66.2–93.2)	21.4	84.2 (68.4–100)	71.4 (52.4–90.5)
3	19	21	27.6 ± 55.2	140.9 ± 136	0.001	3.6 (1.7–7.6)	233.9	100 (100–100)	33.3 (14.3–52.4)
5	19	21	33.6 ± 66.4	137 ± 123.5	0.003	76.7 (61.2–89.7)	87.8	94.7 (84.2–100)	57.1 (38.1–76.2)
5	19	21	33.6 ± 66.4	137 ± 123.5	0.003	3.5 (0.5–7.6)	87.8	94.7 (84.2–100)	57.1 (38.1–76.2)