Table 3.
Associations between FIM efficiency and characteristics in 270 medically complex patients
| Characteristic | FIM efficiency <2.12 | FIM efficiency ≥2.12 | P Value |
|---|---|---|---|
| n=135 | n=135 | ||
| Age (y), mean ± SD | 73.3±12.7 | 73.8±12.3 | .77 |
| BMI, mean ± SD | 30.3±11.6 | 29.0±8.2 | .28 |
| Sex, n (%) | .33 | ||
| Female | 75 (55.6) | 67 (49.6) | |
| Male | 60 (44.4) | 68 (50.4) | |
| Race, n (%) | .6 | ||
| White | 126 (93.3) | 129 (95.6) | |
| Non-White | 9 (6.7) | 6 (4.4) | |
| Ethnicity, n (%) | .999 | ||
| Hispanic | 1 (0.7) | 2 (1.5) | |
| Non-Hispanic | 134 (99.3) | 133 (99.5) | |
| Insurance type, n (%) | .13 | ||
| Commercial insurance | 33 (24.4) | 22 (16.3) | |
| Medicare | 102 (75.6) | 113 (83.7) | |
| CCI score category, n (%) | .5 | ||
| Low (0-2) | 16 (11.9) | 22 (16.2) | |
| Moderate (3-4) | 59 (43.7) | 60 (44.4) | |
| High (>4) | 60 (44.4) | 53 (39.2) | |
| RLOS (d), mean ± SD | 14.5±7.0 | 10.7±3.8 | <.001* |
| Discharge setting, n (%) | <.001* | ||
| Home | 82 (60.7) | 112 (83.0) | |
| Acute care hospital | 20 (14.8) | 13 (9.6) | |
| Skilled nursing facilities | 33 (24.4) | 10 (7.4) | |
| Acutely managed comorbidities, n (%) | |||
| CHF | 41 (30.4) | 33 (24.4) | .28 |
| Peripheral vascular disease | 6 (4.4) | 5 (3.7) | .999 |
| Diabetes without chronic complications | 31 (23.0) | 36 (26.7) | .48 |
| Renal disease, mild to moderate | 20 (14.8) | 18 (13.3) | .86 |
| Liver disease, mild | 1 (0.7) | 7 (5.2) | .067 |
| Chronic pulmonary disease | 4 (3.0) | 5 (3.7) | .999 |
| Myocardial infarction | 3 (2.2) | 7 (5.2) | .33 |
| Diabetes with chronic complications | 17 (12.6) | 13 (9.6) | .44 |
| Renal disease, severe | 20 (14.8) | 11 (8.2) | .086 |
| Liver disease, moderate to severe | 0 | 4 (3.0) | .12 |
| Metastatic solid tumor | 1 (0.7) | 1 (0.7) | .999 |
| AIDS | 8 (5.9) | 3 (2.2) | .22 |
| Anemia† | 20 (14.8) | 22 (16.3) | .74 |
| Atrial fibrillation† | 39 (28.9) | 39 (28.9) | .999 |
| Respiratory failure† | 0 | 4 (3.0) | .12 |
| Acute pneumonia† | 8 (5.9) | 18 (13.3) | .062 |
| Bacteremia† | 1 (0.7) | 1 (0.7) | .999 |
| HTN† | 91 (67.4) | 72 (53.3) | .025‡ |
| Orthostatic hypotension† | 5 (3.7) | 5 (3.7) | .999 |
| OSA† | 16 (11.9) | 11 (8.2) | .31 |
NOTE. BMI calculated as weight in kilograms divided by height in meters squared.
Abbreviations: CHF, congestive heart failure; HTN, essential (primary) hypertension; OSA, obstructive sleep apnea.
⁎
P<.001.
†
Not included in CCI.
‡
P<.05.