Table 3.

Perioperative Anxiety Scale-7 (PAS-7). Instructions: This scale will assess your attitudes and feelings about your operation. Please carefully read each item, and then, according to your state in the past few days, circle the appropriate response

Item	Not at all	Some	Moderate	Relatively obvious	Very obvious
1. I’m worried about the effect of the operation.	0	1	2	3	4
2. I’m worried about accidents during the operation.	0	1	2	3	4
3. I’m worried about the pain caused by the operation.	0	1	2	3	4
4. Thinking about the operation makes me more nervous and worried than usual.	0	1	2	3	4
5. Thinking about the operation makes my hands tremble.	0	1	2	3	4
6. Thinking about the operation makes my face become hot and blushed, and my hands and feet sweat.	0	1	2	3	4
7. Thinking about the surgery makes my breathing difficult.	0	1	2	3	4