. Author manuscript; available in PMC: 2014 Nov 1.

Published in final edited form as: Am J Obstet Gynecol. 2013 Aug 22;209(5):422.e1–422.e10. doi: 10.1016/j.ajog.2013.08.020

TABLE 2.

Correlations of menstrual factors and noncyclic pelvic pain

Variable	1	2	3	4	5
Noncyclic pelvic pain (1)		.0001^a	.0011^a	.0001^a	.57^a
Dysmenorrhea (2)	0.37		.0001^a	.11^a	.13^a
Period heaviness (3)	0.11	0.35		.90^a	.10^a
Period regularity (4)	−0.13	−0.05	0		.0006^a
Recent period (5)	0.02	−0.05	0.06	0.12

Spearman correlation table shows correlation coefficients in lower left diagonal.

Upper right diagonal indicates statistical significance.