| Characteristics of NIPS | Mean± SD | Min | Max |
|---|---|---|---|
| NIPS is clear and understandable | 4.4± 0.6 | 3 | 5 |
| NIPS is easy to use | 4.1± 0.6 | 3 | 5 |
| NIPS is convenient for nurse | 4.0± 0.4 | 3 | 5 |
| NIPS is less time-consuming | 3.9± 0.5 | 3 | 5 |
| NIPS helps nurse give decision on medical care | 3.4± 0.5 | 3 | 4 |
| NIPS is feasible and applicable to clinical context | 3.6± 0.5 | 3 | 4 |
| NIPS is able to classify pain level | 3.5± 0.5 | 3 | 4 |