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Table 1 Baseline characteristics of the study participants (n = 144)

From: Identifying elderly patients at risk of readmission after discharge from a short-stay unit in the emergency department using performance-based tests of daily activities

 All patients (n = 144)Readmitted (n = 64)No readmission (n = 80)Test for differencea
Mean age, years (SD)80.7 (7.9)80.0 (7.7)81.2 (8.1)p = 0.353
Female, n (%)79 (55)35 (44)44 (56)p = 0.970
Married, n (%)56 (39)24 (43)32 (57)p = 0.523
Comorbidity, n (%)b   p = 0.002
 Low: Score 0–175 (52)23 (36)52 (65)
 Moderate: Score 2–345 (31)26 (41)19 (24)
 High: Score > 424 (17)15 (23)9 (11)
Admission diagnosis, n (%)
 Diseases of the eye and adnexa7 (4.9)2 (3,1)7 (6,2)p = 0.881
 Diseases in the circulatory system13 (9.0)6 (9,4)7 (8,8)
 Diseases in the respiratory system6 (4.2)4 (3,6)2 (2,5)
 Diseases of the digestive system8 (5.6)4 (3,6)4 (5,0)
 Musculoskeletal diseases15 (10.4)6 (9,4)9 (11,5)
 Symptoms and abnormal clinical findings8 (5.6)2 (3,1)6 (7,5)
 Injury25 (17.4)12 (18,8)13 (16,3)
 Factors influencing health status46 (31.9)20 (31,3)26 (32,5)
 Other diagnosisf16 (11,1)8 (12,5)8 (10,0)
Days of admission, median (IQR)0.94 (0.74;1.33)0.95 (0.72;1.35)0.93 (0.76;1.24)p = 0.709
AMPS motor, mean (SD)c1.02 (0.79)0.72 (0.79)1.23 (0.72)p = 0.001
AMPS process, mean (SD)c0.93 (0.80)0.79 (0.97)1.03 (0.63)p = 0.138
Timed Up and Go, median (IQR)d11.78 (8.87;17.97)12.231 (9.9;20.28)10.97 (8.72;15.82)p = 0.145
30s-CST, median (IQR)e7 (0;10)5.5 (0;9)7.5 (1.5;11)p = 0.056
  1. aTest for difference between the group of patients being readmitted and the group of patients not being readmitted within 26 weeks
  2. bCharlson Comorbidity Index
  3. cAMPS motor and process score in logits, n = 96
  4. dTimed Up and Go, n = 119
  5. e30s-CST, n = 126
  6. fOther diagnosis includes diagnosis with 3 or less patients