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Table 3 Inter-item correlation matrix

From: Validation of the Spanish version of the Amsterdam Preoperative Anxiety and Information Scale (APAIS)

Item 1 2 3 4 5 6
1. I am worried about the anesthetic 1000      
2. The anaesthetic is on my mind continually 0.822 1.000     
3. I would like to know as much as possible about the anaesthetic 0.451 0.434 1000    
4. I am worried about the procedure 0.513 0.461 0.325 1000   
5. The procedure is on my mind continually 0.517 0.556 0.351 0.791 1.000  
6. I would like to know as much as possible about the procedure 0.270 0.260 0.580 0.527 0.511 1.000