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. 2020 Apr 10;75(10):1928–1934. doi: 10.1093/gerona/glaa084

Table 1.

Descriptive Characteristics

Baseline to Admission Admission to Postdischarge
Maintained CFS (N = 1,534) Worsened CFS (N = 4,390) Maintained CFS (N = 1,565) Improved CFS (N = 2,546)
Age (Myears ± SD) 79.4 ± 8.5 79.7 ± 8.3 79.4 ± 8.3 78.6 ± 8.1
 Median 80.0 80.0 80.0 79.0
% Female (N) 54.4% (834) 52.4% (2,300) 54.2% (849) 53.1% (1,353)
LOS (Mdays ± SD) 9.5 ± 10.4 11.5 ± 13.1 9.7 ± 9.3 10.0 ± 10.5
 Median 7.0 8.0 7.0 7.0
FI Change (M ± SD) 0.02 ± 0.04 0.08 ± 0.07 −0.03 ± 0.06 −0.08 ± 0.07
 Median 0.00 0.06 −0.02 −0.06
CFS Change (M ± SD) 0.0 ± 0.0 1.4 ± 0.7 0.0 ± 0.0 −1.4 ± 0.6
 Median 0.0 1.0 0.0 −1.0
Baseline Admission Baseline Admission Admission Postdischarge Admission Postdischarge
FI Score (M ± SD) 0.23 ± 0.14 0.25 ± 0.14 0.22 ± 0.12 0.30 ± 0.13 0.27 ± 0.14 0.24 ± 0.14 0.27 ± 0.12 0.19 ± 0.11
 Median 0.21 0.23 0.21 0.28 0.26 0.21 0.26 0.18
CFS Scores (M ± SD) 4.7 ± 1.6 4.7 ± 1.6 4.2 ± 1.4 5.6 ± 1.4 5.0 ± 1.5 5.0 ± 1.5 5.4 ± 1.2 4.0 ± 1.3
 Median 4.0 4.0 4.0 6.0 5.0 5.0 5.0 4.0
 1 (Very fit) 7 7 37 0 N/A N/A N/A 22
 2 (Well) 48 48 244 13 31 31 7 147
 3 (Managing well) 407 407 1,257 150 296 296 85 875
 4 (Vulnerable) 350 350 1,150 896 338 338 612 657
 5 (Mildly frail) 183 183 850 978 228 228 650 444
 6 (Moderately frail) 269 269 587 1,154 329 329 659 318
 7 (Severely frail) 240 240 230 823 299 299 438 83
 8 (Very severely frail) 30 30 35 295 44 44 95 0
 9 (Terminally ill) N/A N/A N/A 81 N/A N/A N/A N/A

Note: Samples do not include CFS changes >±4 levels due to small sample size (see Figure 1). CFS = Clinical Frailty Scale. FI = Frailty Index; LOS = length of hospital stay; M = mean; SD = standard deviation.