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Table 3 Secondary efficacy evaluation

From: Efficacy and safety of oral Guanxinshutong capsules in patients with stable angina pectoris in China: a prospective, multicenter, double-blind, placebo-controlled, randomized clinical trial

 Treatment groupP value
GXST (n = 143)Placebo (n = 144)
Nitroglycerin consumption
 Highly effective57 (39.9%)12 (8.3%)< 0.0001
 Effective59 (41.3%)60 (41.7%)0.52
 No efficacy27 (18.8%)72 (50.0%)< 0.0001
SAQ score65.6 ± 10.656.3 ± 13.4< 0.001
 Physical limitations60.1 ± 10.558.0 ± 11.70.11
 Angina stability79.6 ± 19.466.0 ± 22.6< 0.001
 Angina frequency59.7 ± 20.149.5 ± 20.0< 0.001
 Treatment satisfaction65.6 ± 14.354.5 ± 19.0< 0.001
 QOL62.9 ± 16.153.4 ± 19.1< 0.001
ETT
 Time to onset of chest pain (s)517.6 ± 165.2493.2 ± 152.90.81
 Time to 1 mm ST-depression (s)219.7 ± 172.2257.7 ± 183.60.37
  1. Each value represents the mean ± SD or the number (%)
  2. ETT, exercise treadmill test; GXST, Guanxinshutong capsule; QOL, quality of life; SAQ, Seatntle Agina Questionnaire