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Table 1 Patient characteristics on admission (n = 841) and information of the 584 analyzed patients followed by baseline comparison between not institutionalized and institutionalized patients 1 year after hip fracture

From: Does cognitive/physical screening in an outpatient setting predict institutionalization after hip fracture?

  1 Year (n = 584)  
  Entire Cohort (n = 841) Patients in Primary Analysis (n = 584) Not institutionalized (n = 457) Institutionalized (n = 127) P-value
Variable n (%) n (%) n (%) n (%)  
Age      <0.001
 65–74 117 (13.9) 87 (14.9) 81 (17.7) 6 (4.7)  
 75–84 352 (41.9) 268 (45.9) 213 (46.6) 55 (43.3)  
  > 85 372 (44.4) 229 (39.2) 163 (35.7) 66 (52.0)  
 Mean (SD) 82.8 (7.1) 81.9 (6.77) 81.2 (6.8) 84.4 (6.1) <0.001
 Median (25–75 % percentile) 84.0 (78–88) 83.0 (77–87) 82.0 (76–86) 85.0 (81–88) <0.001
Sex      0.352
 Female 624 (74.2) 456 (78.1) 353 (77.2) 103 (81.1)  
 Male 217 (25.8) 128 (21.9) 104 (22.8) 24 (18.9)  
Living with somebody      0.007
 Yes 502 (59.7) 325 (55.7) 241 (52.7) 84 (66.1)  
 No 339 (40.3) 259 (44.3) 216 (47.3) 43 (33.9)  
Mobility aids before hip fracture      0.012
 Mobile without an aid 333 (39.6) 258 (44.2) 214 (46.8) 44 (34.6)  
 Mobile with an aid 495 (58.9) 320 (54.8) 240 (52.5) 80 (63.0)  
 Unable to ambulate 11 (1.3) 6 (1.0) 3 (0.7) 3 (2.4)  
 Missing information 2 (0.2)     
Mobility level before hip fracture      <0.001
 Unassisted outdoors 499 (59.3) 393 (67.3) 349 (76.4) 44 (34.6)  
 Assisted outdoors 101 (12.0) 63 (10.8) 33 (7.2) 30 (23.6)  
 Unassisted indoors 197 (23.4) 108 (18.5) 66 (14.4) 42 (33.1)  
 Assisted indoors 28 (3.3) 13 (2.2) 6 (1.3) 7 (5.5)  
 Unable to move 12 (1.4) 7 (1.2) 3 (0.7) 4 (3.1)  
 Missing information 4 (0.5)     
Previous living arrangements      <0.001
 Own home 390 (46.4) 293 (50.2) 263 (57.5) 30 (23.6)  
 Own home with organized home care 265 (31.5) 193 (33.0) 141 (30.9) 52 (40.9)  
 Assisted living accommodation 186 (22.1) 98 (16.8) 53 (11.6) 45 (35.4)  
Previous diagnosis of memory disorder      <0.001
 Yes 180 (21.4) 120 (20.5) 63 (13.8) 57 (44.9)  
 No 657 (78.1) 462 (79.1) 392 (86.2) 70 (55.1)  
 Missing information 4 (0.5) 2 (0.3)    
Number of medications on admission      0.068
  < 4 169 (20.1) 135 (23.1) 115 (25.2) 20 (15.7)  
 4–10 531 (63.1) 366 (62.7) 281 (61.5) 85 (66.9)  
  > 10 141 (16.8) 83 (14.2) 61 (13.3) 22 (17.3)  
Previous fracture of any bone      0.927
 Yes 264 (31.4) 182 (31.2) 142 (31.1) 40 (31.5)  
 No 576 (68.5) 402 (68.8) 315 (68.9) 87 (68.5)  
 Missing information 1 (0.1)     
Hip fracture type      0.979
 Femoral neck fracture 539 (64.1) 380 (65.1) 298 (65.2) 82 (64.6)  
 Pertrochanteric fracture 259 (30.8) 180 (30.8) 140 (30.6) 40 (31.5)  
 Subtrochanteric fracture 43 (5.1) 24 (4.1) 19 (4.2) 5 (3.9)  
ASA grade      0.002
 1–2 114 (13.6) 95 (16.3) 87 (19.1) 8 (6.4)  
 3 517 (61.5) 386 (66.1) 290 (63.7) 96 (76.8)  
 4–5 197 (23.4) 99 (17.0) 78 (17.1) 21 (16.8)  
 Missing information 13 (1.5) 4 (0.6)    
  1. Institution represents hospital, health care center hospital, nursing home or rehabilitation unit providing 24-h care
  2. Instrumental Activities of Daily Living (IADL), Mini Mental State Examination (MMSE), and American Society of Anesthesiologists (ASA) scores. Differences were tested for continuous age by Mann-Whitney U-test and median test. Categorical variables were tested by Pearson chi-square test or Fisher’s exact test