Table 2.

The association between demographic factors and the levels of procalcitonin

Variables		Procalcitonin level				p-value
		Increased		Normal
		n	%	n	%
Sex	Male	44	80.0	11	84.6	0.702a
	Female	11	20.0	2	15.4
Age	Under 40 years-old	2	3.6	1	7.7	0.53a
	40-60 years-old	30	54.5	5	38.5
	Over 60 years old	23	41.8	7	53.8
Brinkman Index	Severe	40	72.7	11	84.6	0.38a
	Moderate	13	23.6	1	7.7
	Mild	2	3.6	1	7.7
Total		55	100.0	13	100.0

a) Chi-Square test.