TABLE 3.

Item-by-Item Results for the Computerized Adaptive Testing–Anxiety Inventory for Two Illustrative Patients

Patient and Items^a	Response	Score	Precision
Patient with mild anxiety^b
1. How much difficulty with fear, anxiety, and panic?	A little difficulty	40.4	10.9
2. How much were you distressed by feeling fearful?	A little bit	40.6	9.3
3. How much of the time have you been anxious or worried?	Little of the time	38.8	9.1
4. How much have you been bothered by feeling terrified?	Somewhat	49.1	7.6
5. Distressed by feeling uneasy in crowds?	A little bit	48.9	6.7
6. How tense did you feel?	A little bit	44.6	6.2
7. How much have you felt afraid?	A little bit	44.2	5.9
8. Have you felt afraid of losing control?	A little bit	43.4	5.6
9. How much were you distressed by your heart pounding or racing?	A little bit	44.0	5.2
Patient with severe anxiety^c
1. How much difficulty with fear, anxiety, and panic?	Extreme difficulty	79.3	12.0
2. How much were you distressed by feeling fearful?	Quite a bit	77.3	9.6
3. How much were you distressed by feeling uneasy in crowds?	Extremely	86.0	8.4
4. It scared me when I was nervous.	Very much	91.3	7.8
5. How much were you distressed by feeling nervous when alone?	Quite a bit	90.8	7.0
6. Were you bewildered or confused?	Extremely	94.4	6.7
7. How much did sleep problems bother you?	Quite a bit	92.5	6.3
8. Because of fear or unpleasant feelings, how much would you avoid traveling alone?	Most of the time	92.1	6.0
9. How much have you been troubled or bothered by psychological or emotional problems?	Extremely	93.0	5.9
10. Have you found you couldn't do anything because of nerves?	Much more than usual	94.9	5.7
11. How much would you avoid eating or drinking with others?	Most of the time	94.9	5.6
12. How much have you been bothered by feeling faint?	Quite a bit	96.8	5.5

Items apply to the past 2 weeks.

Score=44.0, SE=5.2; probability of generalized anxiety disorder, 0.458; percentile among patients with generalized anxiety disorder, 40.6%.

Score=96.8, SD=5.5, probability of generalized anxiety disorder, 0.997, percentile among patients with generalized anxiety disorder, 99.0%.