Circulating granulysin levels in healthcare workers and latent tuberculosis infection estimated using interferon-gamma release assays

Table 2 GNLY concentrations and IGRA results

	IGRA negative	IGRA positive
	(n = 68)	(n = 41)
Before adjustment^a
Mean value^b of GNLY concentrations	2.53	2.10
95 % CI	2.32–2.77	1.84–2.36
P value^c	0.0116
After adjustment^a
Mean value^b of GNLY concentrations	2.48	2.03
95 % CI	2.10–2.92	1.72–2.44
P value^d	0.0127

GNLY granulysin, IGRA interferon-gamma release assays, 95 % CI 95 % confidence intervals
^aadjustment for age and sex
^bGNLY concentrations with the original unit (ng/ml) are shown after transforming back
^cunpaired t-test after logarithmic transformation of GNLY concentrations
^dANCOVA after logarithmic transformation of GNLY concentrations

ISSN: 1471-2334