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. 2017 Feb 8;12:293–304. doi: 10.2147/CIA.S124342

Table 2.

Clinical characteristics of the total study cohort and the two patient subgroups

Clinical characteristics All patients
(n=305)
Subgroup of patients aged 65–82 years
(n=139)
Subgroup of patients aged ≥83 years or older
(n=166)
P-value*
Age (years) 82.9±6.4 (n=305) 77.1±3.9 (n=139) 87.7±3.4 (n=166) <0.001
Female 67.9 (207) (n=305) 66.2 (92) (n=139) 69.3 (115) (n=166) 0.565
Height (cm) 163±9.7 (n=305) 165±9.5 (n=139) 162±9.6 (n=166) 0.005
Weight (kg) 73.2±16 (n=305) 79.3±17 (n=139) 68.0±13 (n=166) <0.001
BMI (kg/m2) 27.5±5.6 (n=305) 29.3±6.1 (n=139) 26.0±4.5 (n=166) <0.001
MMSE (points) 25.5±4.6 (n=299) 25.3±4.2 (n=135) 25.6±4.8 (n=164) 0.359
GDS (points) 2.98±3.0 (n=297) 4.03±3.4 (n=134) 3.93±2.7 (n=163) 0.866
Congestive heart failure 47.5 (145) (n=305) 40.3 (56) (n=139) 53.6 (89) (n=166) 0.020
Heart attack 13.8 (42) (n=305) 10.8 (15) (n=139) 16.3 (27) (n=166) 0.167
Stroke 20.3 (62) (n=305) 20.9 (29) (n=139) 19.9 (33) (n=166) 0.832
Cancer 14.4 (44) (n=305) 10.8 (15) (n=139) 17.5 (29) (n=166) 0.098
Diabetes mellitus 38.4 (117) (n=305) 41.7 (58) (n=139) 35.5 (59) (n=166) 0.269
Lung disease 16.7 (51) (n=305) 22.3 (31) (n=139) 12.0 (20) (n=166) 0.017
Kidney disease 64.9 (198) (n=305) 59.0 (82) (n=139) 69.9 (116) (n=166) 0.047
Urinary incontinence or catheterized 23.6 (72) (n=305) 19.4 (27) (n=139) 27.1 (45) (n=166) 0.116
Bowel incontinence 8.2 (25) (n=305) 4.3 (6) (n=139) 11.4 (19) (n=166) 0.024
More than five medications 96.1 (293) (n=305) 95.7 (133) (n=139) 96.4 (160) (n=166) 0.753
Institutionalized 16.1 (49) (n=305) 10.8 (15) (n=139) 20.5 (34) (n=166) 0.022
CFS-7 (category) 5.34±1.2 (n=305) 5.13±1.2 (n=139) 5.52±1.2 (n=166) 0.007
FI (−) 0.34±0.2 (n=305) 0.32±0.16 (n=139) 0.36±0.15 (n=166) 0.008
FRAIL scale components (number) 1.89±1.2 (n=305) 1.75±1.3 (n=139) 2.02±1.3 (n=166) 0.070
CIRS-G (points) 17.5±5.6 (n=305) 16.7±5.6 (n=139) 18.2±5.5 (n=166) 0.037
Comorbidity-D-FI (−) 0.30±0.1 (n=305) 0.29±0.1 (n=139) 0.31±0.1 (n=166) 0.087
ADL-Katz (points) 2.1±1.9 (n=305) 1.78±1.8 (n=139) 2.34±1.9 (n=166) 0.005
IADL/ADL-D-FI (−) 0.41±0.28 (n=305) 0.38±0.3 (n=139) 0.44±0.3 (n=166) 0.040
Mortality during 1-year follow-up 20.3 (62) (n=305) 13.7 (19) (n=139) 25.9 (43) (n=166) 0.008

Notes: Data shown as mean ± SD (total patient number) or percentage (n) (total patient number).

*

P-value reported for comparison of patients aged between 65 and 82 years versus patients aged ≥83 years. (−) indicates no unit of measurement.

Abbreviations: ADL, basic activities of daily living; ADL-Katz, disability burden based on the six ADLs of the Katz index; BMI, body mass index; CFS-7, Canadian Study on Health and Aging Clinical Frailty Scale; GDS, Geriatric Depression Scale; CIRS-G, Cumulative Illness Rating Scale for Geriatrics; Comorbidity-D-FI, Comorbidity domain of the frailty index; IADL, instrumental activities of daily living; IADL/ADL-D-FI, IADL/ADL domain of the frailty index; MMSE, Mini Mental State Examination; FI, frailty index.