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Table 1 The characteristics of the study sample (means / %) with and without a nursing home admission and the results of t-tests of significance difference between the means of continuous values or categorical variables

From: Development and validation of classifiers and variable subsets for predicting nursing home admission

Variable Time interval / description NH admission No NH admission p-value
Age (mean)   84.44 81.76 <.0001
Number of Emergency care visits (mean) 3-6 months 0.72 0.35 <.0001
  6-9 months 0.78 0.38 <.0001
  9-12 months 0.61 0.37 <.0001
Number of emergency care visits, change (mean) 3-6 months vs. 6-9 months -0.06 -0.03 .6279
  6-9 months vs. 9-12 months 0.18 0.01 .0049
Number of periods of care (mean) 3-6 months 0.98 0.36 <.0001
  6-9 months 0.86 0.32 <.0001
  9-12 months 0.53 0.33 .0002
Number of periods of care, change (mean) 3-6 months vs. 6-9 months 0.12 0.03 .3121
  6-9 months vs. 9-12 months 0.33 -0.01 <.0001
Number of home care visits (mean) 3-6 months 131.51 96.30 <.0001
  6-9 months 142.80 93.42 <.0001
  9-12 months 130.10 89.26 <.0001
Number of home care visits, change (mean) 3-6 months vs. 6-9 months -11.28 2.88 .0002
  6-9 months vs. 9-12 months 12.70 4.16 .0118
Number of outpatient visits in 3-6 months 1.89 1.11 <.0001
specialised care by appointment (mean) 6-9 months 1.77 1.14 <.0001
  9-12 months 1.58 1.16 .0001
Number of outpatient visits in specialised 3-6 months vs. 6-9 months 0.12 -0.03 .1410
care by appointment, change (mean) 6-9 months vs. 9-12 months 0.19 -0.02 .0588
Number of physiotherapy visits at home (mean) 3-12 months 0.47 0.49 .9006
Number of outpatient visits in geriatrics (mean) 3-12 months 1.56 .62 <.0001
Number of physician visits at home (mean) 3-12 months 0.57 0.49 .1316
RAI-HC (mean)a CPS 1.50 0.92 <.0001
  IADL 13.18 9.34 <.0001
  PAIN 0.72 0.77 .2278
  MAPLE 4.06 3.14 <.0001
Customer of support service (%) Safety phone 41% 25% <.0001
  meals-on-wheels 47% 28% <.0001
  shopping 38% 27% <.0001
  Cleaning 10% 10% .9058
  transportation 29% 15% <.0001
  Day center 30% 15% <.0001
  Support for informal care 5% 5% .9691
  Home rehabilitation 4% 3% .3683
Outpatient visit in specialised care (%) Surgery / neurosurgery 29% 13% <.0001
  Internal medicine 40% 22% <.0001
  Obstetric 3% 2% .0367
  Neurology 17% 9% <.0001
  Respiratory medicine 4% 4% .8502
  Ophthalmology 12% 7% .0004
  Phoniatrics 14% 5% <.0001
  Psychiatry 14% 9% .0004
Period of care in specialised care (%) Surgery / neurosurgery 20% 8% <.0001
  Internal medicine 30% 16% <.0001
  Obstetric 0% 0% .5341
  Neurology 10% 3% <.0001
  Respiratory medicine 2% 2% .5684
  Ophthalmology 1% 0% .0028
  Phoniatrics 1% 0% .1042
  Psychiatry 8% 2% <.0001
  Intensive care unit 1% 0% .0211
Diagnosis (%) a00-a09 4% 2% <.0001
  a30-a49 4% 3% .1679
  e00-e07 3% 2% 0.0723
  e10-e14 9% 6% .0037
  e70-e90 5% 2% <.0001
  f00-f03 50% 16% <.0001
  f04-f09 4% 2% .0006
  f10-f19 2% 1% .3515
  f20-f29 2% 2% .7376
  f30-f39 6% 4% .0123
  g20-g26 5% 2% .0001
  g30-g32 32% 6% <.0001
  g40-g47 3% 2% .0972
  i10-i15 28% 12% <.0001
  i20-i25 14% 6% <.0001
  i30-i52 25% 13% <.0001
  i60-i69 9% 4% <.0001
  i70-i79 3% 1% .0023
  i80-i89 2% 1% .1083
  i95-i99 5% 1% <.0001
  j09-j18 6% 3% .0136
  j20-j22 3% 2% .0437
  j40-j47 5% 3% .1991
  k55-k63 5% 2% <.0001
  m05-m14 2% 2% .7376
  m15-m19 5% 2% .0005
  m45-m49 2% 1% .0008
  m50-m54 4% 2% .0933
  m70-m79 3% 2% .0978
  m80-m85 4% 2% .0008
  n10-n16 4% 2% .0324
  n17-n19 5% 2% .0001
  n30-n39 15% 5% <.0001
  n40-n51 2% 1% .0813
  r00-r09 2% 2% .9037
  r10-r19 4% 2% .0034
  r40-r46 5% 2% .0012
  r50-r69 10% 4% <.0001
  s00-s09 8% 2% <.0001
  s30-s39 2% 1% .0115
  s40-s49 2% 1% .3970
  s70-s79 5% 2% <.0001
  s80-s89 2% 1% .1098
  z00-z13 5% 3% .1123
  1. aResident Assessment Instrument for Home Care (RAI-HC). The Cognitive Performance Scale (CPS) uses items on memory and communication skills to create a 7-point scale from 0 (intact) to 6 (very seve re) [35]. The Instrumental Activities of Daily Living (IADL) scale [36] provides a measure of the customer’s self-performance of seven daily tasks: meal preparation, ordinary housework, managing finances, managing medications, phone use, shopping and transportation. The scores are from 0 to 21. The Method for Assigning Priority Levels (MAPLe) differentiates customers into five different groups ranging from low to very high risk of health decline [34]. Higher risk group indicates a higher risk to be admitted to a long-term care facility