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Table 1 Resident characteristics at baseline (admission) and follow-up for the sample (N = 1571)

From: Clinical characteristics associated with the onset of delirium among long-term nursing home residents

 

Baseline

Follow-upa

P value

 Mean age (SD)

83.3 (9.7)

84.9 (9.5)

 

 Male

531 (33.8%)

531 (33.8%)

 

 Stroke

378 (24.1%)

408 (26.0%)

<.001

 Parkinson’s disease

122 (7.8%)

130 (8.3%)

0.02

 Dementia

669 (42.6%)

720 (45.9%)

<.001

 Depression

339 (21.6%)

399 (25.4%)

<.001

 Pain

664 (42.3%)

780 (49.7%)

<.001

 Recent hospital stays

210 (13.4%)

180 (11.5%)

0.09

Function

 ADL score (SD)b

2.7 (1.8)

1.9 (1.7)

<.001

 Locomotion (independence)

989 (66.4%)

750 (49.7%)

<.001

 Dressing (independence)

471 (30.1%)

235 (15.0%)

<.001

 Eating (independence)

1413 (90.1%)

1165 (74.2%)

<.001

 Toileting (independence)

586 (37.5%)

344 (22.0%)

<.001

 Hygiene (independence)

493 (31.5%)

285 (18.2%)

<.001

 Bathing (independence)

201 (13.5%)

117 (7.9%)

<.001

 Bladder continence (independence)

794 (68.2%)

489 (43.0%)

<.001

 Bowel continence (independence)

1139 (72.7%)

857 (54.6%)

<.001

Medications

 Mean number of medications

11.2 (4.7)

11.8 (5.3)

<.001

 Antidepressants

719 (45.8%)

821 (52.4%)

< 001

 Antipsychotics

278 (17.7%)

296 (18.9%)

0.20

 Anxiolytics

258 (16.4%)

250 (15.9%)

0.60

 Analgesics

1049 (66.7%)

1167 (74.4%)

<.001

 Any CAM defined delirium

0 (0.0%)

634 (40.4%)

<.001

  1. P-value represents the results of McNemar’s test for paired binary variables and t-test for paired continuous variables
  2. ADL activities of daily living, N/A not available
  3. aThe cohort was followed until delirium incidence, death, discharge, or the end of the study period
  4. bADL score was the sum of ADL items that each resident was able to perform. A score of 0 indicates complete ADL dependence while a score of 6 indicates the resident was able to perform all ADL items independently