Table 1 Baseline characteristics of the study participants (n = 144)
|  | 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 0–1 | 75 (52) | 23 (36) | 52 (65) | |
 Moderate: Score 2–3 | 45 (31) | 26 (41) | 19 (24) | |
 High: Score > 4 | 24 (17) | 15 (23) | 9 (11) | |
Admission diagnosis, n (%) | ||||
 Diseases of the eye and adnexa | 7 (4.9) | 2 (3,1) | 7 (6,2) | p = 0.881 |
 Diseases in the circulatory system | 13 (9.0) | 6 (9,4) | 7 (8,8) | |
 Diseases in the respiratory system | 6 (4.2) | 4 (3,6) | 2 (2,5) | |
 Diseases of the digestive system | 8 (5.6) | 4 (3,6) | 4 (5,0) | |
 Musculoskeletal diseases | 15 (10.4) | 6 (9,4) | 9 (11,5) | |
 Symptoms and abnormal clinical findings | 8 (5.6) | 2 (3,1) | 6 (7,5) | |
 Injury | 25 (17.4) | 12 (18,8) | 13 (16,3) | |
 Factors influencing health status | 46 (31.9) | 20 (31,3) | 26 (32,5) | |
 Other diagnosisf | 16 (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)c | 1.02 (0.79) | 0.72 (0.79) | 1.23 (0.72) | p = 0.001 |
AMPS process, mean (SD)c | 0.93 (0.80) | 0.79 (0.97) | 1.03 (0.63) | p = 0.138 |
Timed Up and Go, median (IQR)d | 11.78 (8.87;17.97) | 12.231 (9.9;20.28) | 10.97 (8.72;15.82) | p = 0.145 |
30s-CST, median (IQR)e | 7 (0;10) | 5.5 (0;9) | 7.5 (1.5;11) | p = 0.056 |