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Fig. 2 | BMC Cardiovascular Disorders

Fig. 2

From: Chinese patients’ clinical and psychosocial outcomes in the 6 months following percutaneous coronary intervention

Fig. 2

SAQ subscale scores over the 6 months from the percutaneous coronary intervention, n = 491. SAQ = Seattle Angina Questionnaire [16], BL = Baseline (post-PCI), M = month. Note: The SAQ has five subscales, with higher scores being more positive. Subscale scores range from 0 to 100. No overall scale score is generated. To facilitate clinical interpretability, ranges of SAQ Angina Frequency subscale scores can be translated qualitatively into daily (0–30), weekly (31–60), monthly (61–99), and no (100) angina. The SAQ QoL subscale scores can be translated into very poor to poor (0–24), fair (25–49), good (50–74), and excellent (75–100) quality of life. As per previous work, we considered an increase in the SAQ subscale scores of 10 or more points as clinically significant improvement [6]. *p < 0.05, **p < .01, ***p < 0.001

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