Table 5 Reliability and validity of CFS-Thai and CFS-CT-Thai

Inter-rater reliability

48

0.80

< 0.001

Concurrent validity

• CFS-Thai ≥ 4 vs. mTFI

61

0.52

< 0.001

• CFS-Thai ≥ 5 vs. mTFI

61

0.44

< 0.001

• T-FRAIL (≥ 2) vs. mTFI

61

0.46

< 0.001

• T-FRAIL (≥ 3) vs. mTFI

61

0.30

< 0.001

• CFS-Thai ≥ 4 vs. T-FRAIL

213

0.30

< 0.001

• CFS-Thai ≥ 5 vs. T-FRAIL

213

0.49

< 0.001

• CFS-CT-Thai vs. CFS-Thai

213

0.94

< 0.001