Table 5.

The available percentage of the basal tear samples collected from micro-capillary tubes which the selected cytokine was detected.

	n/visits ELISA and tear volume	IL-1B	IL-1Ra	IL-6	IL-10	IL12(p70)	TNF-α
Current study	10/6 Bio-Rad, basal tears (6μl)	100%	100%	100%	100%	99%	99%
Leonardi, 2006	14/1 Milliplex, basal tear (50–100μl)	7%	NA	100%	7%	7%	7%
LaFrance, 2008	Unk/1 Milliplex, basal tear (5μl)	61%	94%	94%	79%	73%	12%
Enriquez-deSalamanca, 2010	9/1 Milliplex, basal tear (1μl)	30%	52%	65%	48%	NA	2%
Carreno, 2010	9/1 Milliplex, basal tear (4μl)	100%	100%	100%	100%	5%	50%
Benito 2014	24/3 Milliplex, basal tear (4μl)	50–79%	97–99%	64–89%	18–69%	NA	1–13%
Willcox 2014	44/1 Bio-Rad, basal tear (3ul)	50–60%

Unk: Unknown.