Differences in the Tongue Features of Primary Dysmenorrhea Patients and Controls over a Normal Menstrual Cycle

Table 1

Comparison of baseline characteristics between the patient and control groups ( = 43).

Variable	PD patients ( = 19)	Controls ( = 24)	value
Age	23.72 ± 2.30	22.91 ± 1.63	0.186
Height	162.56 ± 4.32	160.57 ± 4.41	0.145
Weight	53.10 ± 3.84	52.23 ± 5.50	0.563
Body mass index	20.09 ± 1.17	20.25 ± 1.91	0.751
Systolic blood pressure	105.53 ± 9.29	111.63 ± 10.34	0.051
Diastolic blood pressure	69.26 ± 5.50	73.04 ± 8.20	0.092
Pulse rate	74.32 ± 9.94	79.75 ± 10.70	0.096
Body temperature	36.67 ± 0.25	36.80 ± 0.28	0.120
Menses, duration (days)	29.11 ± 1.76	29.54 ± 1.61	0.403
Age at menarche	13.16 ± 2.71	12.92 ± 1.53	0.714
VAS, duration of menstrual pain	1.11 ± 2.18	0.35 ± 0.94	0.174
VAS, severity of menstrual pain	6.63 ± 1.34	2.13 ± 1.02	0.000
CMSS, duration of menstrual pain	26.37 ± 9.77	8.96 ± 6.44	0.000
CMSS, severity of menstrual pain	25.74 ± 6.40	8.85 ± 6.02	0.000

The data are represented as the means ± standard deviations; VAS: visual analogue scale; CMSS: Cox menstrual symptom scale; < 0.01.