TABLE 1.
Characteristics of Anxiety Measurement Scales Used in Studies of Patients with Prostate Carcinoma
| Instrument/subscale | Original purpose | No. of items |
Possible score |
Thresholds for case identification |
|---|---|---|---|---|
| Hospital Anxiety and Depression Scale (HADS) | 14 | 0–42 | 7–10 (mild), 11–14 (moderate), 15–21 (severe) | |
| Anxiety (HADS-A) | 7 | 0–21 | ||
| Depression (HADS-D) | 7 | 0–21 | ||
| Impact of Event Scale (IES) | Intrusion and avoidance after traumatic event | 15 | 0–75 | 8.5–19.0 (medium), ≥ 20.0 (high) |
| Intrusiveness | ||||
| Avoidance | ||||
| State-Trait Anxiety Inventory (STAI) | Symptoms of anxiety as a clinical disorder | 40 | ||
| State (STAI-S) | 20 | 20–80 | ≥ 45 | |
| Trait (STAI-T) | 20 | 20–80 | ≥ 42 | |
| Memorial Anxiety Scale for Prostate Cancer (MAX-PC) | Anxiety in patients with PCa | 18 | 0–54 | None established |
| Prostate Cancer Anxiety | 11 | 0–33 | ||
| Fear of Recurrence | 4 | 0–12 | ||
| PSA Anxiety | 3 | 0–9 |
PSA: prostate-specific antigen.