Table 2.

Relation between interleukin-15 and demographic and history data

	IL-15	t	P
Sex
Male	34.03±7.34	0.046	0.964
Female	33.90±10.15
Age
≤34	31.72±8.68	1.832	0.075
>34	36.48±7.65
Recurrence
Negative	32.31±9.02	1.191	0.241
Positive	35.48±7.81
Family history
Negative	34.29±8.56	1.019	0.314
Positive	28.05±1.23
Stress
Negative	32.61±8.82	1.335	0.190
Positive	36.26±7.52

P≤0.05 is significant. t – Student’s t-test. IL – Interleukin