Skip to main content

Table 3 T-score categories and cutoffs for handgrip strength and 5-CST time (N = 7838). The Tromsø Study 2015–2016

From: Comparing associations of handgrip strength and chair stand performance with all-cause mortality—implications for defining probable sarcopenia: the Tromsø Study 2015–2020

Variable

Women (n = 4274)

Men (n = 3564)

 

Cutoff

N

%

κ (95% CI)

Cutoff

N

%

κ (95% CI)

Grip strength (kg)

 T-score >  − 1 (not low)

 > 27.7

2205

51.6

 

 > 46.3

1986

55.7

 

 T-score − 1 to − 2.49 (low)

27.7–19.4

1837

43.0

 

46.3–32.4

1432

40.2

 

 T-score ≤  − 2.5 (very low)

 ≤ 19.3

232

5.4

 

 ≤ 32.3

146

4.1

 
    

0.20 (0.17, 0.22)a

   

0.19 (0.16, 0.21)b

5-CST performance (s)

 T-score < 1 (not low)

 < 11.1

2977

69.6

 

 < 10.4

2615

73.3

 

 T-score 1 to 2.49 (low)

11.1–15.9

1063

24.9

 

10.4–14.6

779

21.9

 

 T-score ≥ 2.5 (very low)

 ≥ 16.0

234

5.5

 

 ≥ 14.7

170

4.8

 
  1. 5-CST, 5-repetition chair stand test
  2. aAgreement (Cohen’s kappa) between handgrip strength and 5-CST categories for women
  3. bAgreement (Cohen’s kappa) between handgrip strength and 5-CST categories for men
  4. The T-scores are based on the mean value of the youngest age group (40–44 years) for women and men separately
Back to article page

BMC Medicine

ISSN: 1741-7015

Contact us