Table 1. Selected frailty screening tools evaluated in colorectal surgery patients.
| Tool | Acronym | Range of scores | Cut-off indicating frailty | Population tested |
|---|---|---|---|---|
| Geriatric-8 | G8 | 0–17 | ≤14 | CRC 12 |
| Timed Up & Go Test | TUG | n/a | ≥20 s | CRC 36 |
| 4-m gait speed | gait speed | 0–2 m/s | <0.8–1.0 m/s | CRC 14 |
| 6-minute walk test | 6MWT | n/a | <20 m | CRS a 15 |
| Question about falls last 6 mo | falls | n/a | ≥2 | CRC 37 |
| Risk Analysis Index | RAI | 0–81 | ≥30 | Noncardiac including CRS 16 |
| Modified Frailty Index (11-item) | mFI | 0–11 | >3 | CRC 77 |
| Modified Frailty Index (5-item) | mFI | 0–5 | ≥2 | CRS 17 |
| Multidimensional Prognostic Index | MPI | 0–1.0 | >0.33 | CRC 18 |
| Flemish version of the Triage Risk Screening Tool | fTRST | 0–6 | ≥2 | Emergency surgery including CRS 49 |
Abbreviations: CRC, colorectal cancer; CRS, colorectal surgery.
a
also used as measure of recovery of function.
Source: Adapted from Saur et al. 8