Table 4

Cross-tabulation for imputation of missing mortality status, by frailty class and gender.

Females

Males


Frailty class

N (class)

N

(mortality available)

N

(died)

Unadj. mortality rate (%)

N (mortality missing)

N missing expected as dead

N (class)

N

(mortality available)

N

(died)

Unadj. mortality rate (%)

N (mortality missing)

N missing expected as dead


Non-frail

10,420

7,179

51

0.7

3,241

23

10,517

7,231

142

2.0

3,286

66


Pre-frail

4,025

2,621

67

2.6

1,404

37

1,871

1,162

102

8.8

709

62


Frail

1,133

682

63

9.2

451

41

395

230

52

22.6

165

37


Romero-Ortuno et al. BMC Geriatrics 2010 10:57   doi:10.1186/1471-2318-10-57

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