Table 3.

The association between premenstrual symptoms and thyroid hormones in all women; Spearman’s rho (p).

Premenstrual symptoms:	Free T4, ng/dL	Total T4, μg/dL	Free T3 to free T4 ratio	Total T3 to free T4 ratio
Depression	−0.18 (0.07)	−0.067 (0.49)	0.410 (<0.001)	0.12 (0.23)
Anxiety	−0.20 (0.04)	−0.191 (0.05)	0.409 (<0.001)	0.27 (0.01)
Mood lability	−0.25 (0.01)	−0.196 (0.04)	0.354 (<0.001)	0.24 (0.01)
Anger	−0.22 (0.02)	−0.206 (0.03)	0.292 (0.002)	0.26 (0.01)
Total symptom severity	−0.24 (0.01)	−0.21 (0.03)	0.37 (<0.001)	0.25 (0.01)

T4 = thyroxin; T3 = tri-iodothyronine.

In bold p≤0.05