Table 2.

Comparison of means for 14 items of the Blood Stasis Syndrome Questionnaire.

	Total   (N=370)	BSS   (N=187)	Non-BSS   (N=183)	p-value
1. Angina pectoris	0.35±0.96	0.35±0.97	0.34±0.96	0.9311
2. Chest pain without angina pectoris	0.64±1.23	0.75±1.30	0.52±1.14	0.0730
3. Blackish red tongue	1.48±1.50	1.70±1.49	1.26±1.49	0.0049
4. Ecchymosis of tongue	0.39±1.01	0.55±1.16	0.23±0.80	0.0025
5. Stabbing pain	1.44±1.50	1.84±1.46	1.03±1.43	<0.0001
6. Pain at night	0.69±0.95	0.97±1.00	0.39±0.80	<0.0001
7. Blackish red lips	1.18±0.99	1.32±0.95	1.04±1.00	0.0066
8. Sublingual Varicosities	1.25±0.97	1.42±0.91	1.08±1.00	0.0007
9. Cheek pain	1.05±1.00	1.32±0.95	0.79±0.98	<0.0001
10. Blackish red gingiva	0.68±0.95	0.77±0.98	0.59±0.91	0.0683
11. Dark purple of palate mucosa	0.76±0.97	0.93±1.00	0.58±0.91	0.0005
12. Scaly and rough skin	0.35±0.48	0.44±0.50	0.26±0.44	0.0001
13. Dark coloration of periocular region	0.54±0.50	0.64±0.48	0.43±0.50	<0.0001
14. A dark coloration of the face	0.40±0.49	0.48±0.50	0.32±0.47	0.0012
15. Easy bruising	0.76±0.97	0.95±1.00	0.57±0.90	0.0001
Total	11.62±6.38	14.09±6.14	9.09±5.60	<.0001

p-values were calculated by independent two-sample t-test, and bold values are statistically significant at p<0.05.

BSS: blood stasis, Non-BSS: non-blood stasis.