Increased prevalence of anxiety and depression symptoms in patients with coronary artery disease before and after percutaneous coronary intervention treatment

Table 4 Changes in the trends of anxiety and/or depression prevalence at different PCI time points

Time	Depression (%)	p	Afterwards, multiple comparisons	Anxiety (%)	p	Afterwards, multiple comparisons
1 day before surgery (T_e)	40 (23.50)	0.00**	T_e < T₀* T_e < T₁* T_e < T₃* T₀ > T₆* T₀ > T₁₂* T₁ > T₆* T₁ > T₁₂* T₃ > T₆* T₃ > T₁₂***	59 (34.70)	0.00**	T_e < T₀* T_e > T₃* T_e > T₁₂* T₀ > T₃* T₀ > T₆* T₀ > T₁₂* T₁ > T₃* T₁ > T₆* T₁ > T₁₂***
1 day after surgery (T₀)	76 (44.70)			93 (54.70)
1 month (T₁)	83 (48.80)			83 (48.80)
3 months (T₃)	76 (44.70)			34 (20.20)
6 months (T₆)	48 (28.20)			46 (26.70)
12 months (T₁₂)	37 (21.80)			29 (17.10)

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