Effects of a smartphone application named “Shared Decision Making Assistant” for informed patients with primary liver cancer in decision-making in China: a quasi-experimental study

Table 3 Comparison of the mean scores of the secondary outcomes in the two groups

Variable	Time	Control (n = 90) Mean ± SD	Intervention (n = 90) Mean ± SD	P-value*
Decision preparation	Before the intervention	55.42 ± 7.93	57.07 ± 7.56	0.156*
Decision preparation	After the intervention	63.84 ± 7.38	80.73 ± 8.16	0.001*
Decision self-efficacy	Before the intervention	74.04 ± 14.04	76.57 ± 10.96	0.180*
Decision self-efficacy	After the intervention	76.89 ± 13.46	87.75 ± 6.87	0.001*
Knowledge of PLC	Before the intervention	9.48 ± 2.90	10.02 ± 2.92	0.211*
Knowledge of PLC	After the intervention	12.72 ± 2.13	14.52 ± 1.91	0.001**
Satisfaction with decision-making	After the intervention	23.12 ± 3.91	25.68 ± 2.10	0.001*
Decision regret	Three month after the intervention	32.33 ± 9.22	30.00 ± 12.06	0.070**

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