Table 1 Basic information of included study (N = 340)
| Â | N | Percent |
|---|---|---|
Disease field | ||
 Orthopedic | 137 | 40.29% |
 Neuropathy | 49 | 14.41% |
 Respiratory | 42 | 12.35% |
 Cancer | 24 | 7.06% |
 Immune | 12 | 3.53% |
 Mental | 11 | 3.24% |
 Cardiovascular | 10 | 2.94% |
 Digestive | 10 | 2.94% |
 Reproductive | 7 | 2.58% |
 Eye | 5 | 1.47% |
 Skin | 5 | 1.47% |
 Others | 28 | 8.24% |
Research indicator or scalea | ||
 Patient-reported outcome(PRO) | 320 | 94.12% |
 Clinical objective indicator | 25 | 7.35% |
Number of anchors | ||
 1 | 249 | 73.24% |
  > 1 | 91 | 26.76% |
Anchorb | ||
 Subjective anchor | 337 | 99.12% |
 Items of health status evaluation changes or scores in the scale related to research indicators | 134 | 39.41% |
  Generic scale | 40 | 11.76% |
  Special scale | 94 | 27.65% |
 The patient's clinical change rating or patient satisfaction | 226 | 66.47% |
 Objective anchor | 20 | 5.88% |
Correlation test between anchor and research scale/index | ||
 Yes | 175 | 51.47% |
 No | 165 | 48.53% |
Number of statistical methods | ||
 1 | 261 | 76.76% |
  > 1 | 79 | 23.24% |