Table 2.

Tear Cytokine Concentrations (pg/mL) in COVID-19 Patients and Healthy Controls

	IFN-γ	IL10	IL13	IL1β	IL2	IL6	IL8	TNFα
COVID-19 patients
Mean ± SD	3.56 ± 3.63	0.17 ± 0.21	3.57 ± 2.18	8.40 ± 17.86	0.26 ± 0.19	16.93 ± 88.10	587.98 ± 1820.26	3.63 ± 9.44
Range (min-max)	0.80–7.68	0.08–0.76	2.11–13.11	0.58–89.35	0.13–0.78	0.20–530.50	23.99–11806.71	0.29–28.81
Healthy controls
Mean ± SD	2.98 ± 2.81	0.16 ± 0.10	4.85 ± 2.31	3.78 ± 6.07	0.18 ± 0.04	7.21 ± 7.92	827.13 ± 939.91	0.63 ± 0.51
Range (min-max)	0.74–6.88	0.06–0.43	2.11–12.04	0.64–25.07	0.14–0.26	0.83–35.17	119.84–4930.47	0.18–2.27
P value	0.257	0.265	0.0115	0.026	0.656	<0.0001	<0.0001	0.809