Descriptive features and internal consistency reliability of Japanese HCAHPS (N=6522)
| Number of items | Mean | SD | Observed range | Inter-item correlation | Cronbach’s alpha | |
| Composites | ||||||
| Communication with nurses | 3 | 86.1 | 17.4 | 0.0–100.0 | 0.62–0.73 | 0.85 |
| Communication with doctors | 3 | 87.9 | 18.1 | 0.0–100.0 | 0.65–0.70 | 0.89 |
| Responsiveness of hospital staff | 2 | 81.0 | 21.1 | 0.0–100.0 | 0.34 | 0.46 |
| Hospital environment | 2 | 80.2 | 18.7 | 0.0–100.0 | 0.35 | 0.49 |
| Communication about medicines | 2 | 78.7 | 25.8 | 0.0–100.0 | 0.61 | 0.71 |
| Discharge information | 2 | 80.3 | 32.0 | 0.0–100.0 | 0.31 | 0.48 |
| Global ratings | ||||||
| Overall hospital rating | 1 | 85.7 | 15.4 | 0.0–100.0 | – | – |
| Recommended hospital | 1 | 75.5 | 19.5 | 0.0–100.0 | – | – |
HCAHPS, Hospital Consumer Assessment of Healthcare Providers and Systems.