Table 2.
Unit characteristics and average performance.
| Measure | All | Mixed | Traumaa | CV | |
|---|---|---|---|---|---|
| Units | n | 18 | 11 | 4 | 3 |
| Beds | med (range) | 12 (6–27) | 10 (6–24) | 25 (11–27) | 12 (10–14) |
| Annual admissions | mean (sd) | 790 (354) | 599 (250) | 1028 (342) | 1173 (202) |
| Annual patient days | mean (sd) | 4368 (2395) | 3605 (1896) | 7119 (2655) | 3495 (848) |
|
| |||||
| Monthly indicators-42 months | |||||
| Readmissions (%) | mean (sd) | 3.3 (1.4) | 3.5 (1.5) | 4.1 (0.7) | 1.8 (0.5) |
| Occupancy (%) | mean (sd) | 81 (7) | 80 (6) | 86 (5) | 78 (12) |
| Nighttime discharges (%) | mean (sd) | 7.0 (4.3) | 7.2 (3.4) | 10.6 (4.1) | 1.4 (0.6) |
| Avoidable days (%) | mean (sd) | 8.3 (3.6)b | 7.8 (3.6) | 9.1 (3.1) | 9.1 (6.4)b |
| Avoidable days (beds/d) | mean (sd) | 1.05 (0.87)b | 0.75 (0.64) | 1.90 (1.04) | 1.0 (0.9)b |
| Ventilator utilization | mean (sd) | 0.72 (0.16) | 0.71 (0.11) | 0.83 (0.07) | 0.61 (0.31) |
| Ventilated patient flow (pt/bed/y) | mean (sd) | 42.0 (18.5) | 33.3 (7.2) | 39.3 (2.7) | 77.3 (18.4) |
| Patient flow (pt/bed/y) | mean (sd) | 58.3 (20.3) | 51.6 (7.0) | 46.6 (1.2) | 98.7 (17.0) |
| Interfacility transfers (%) | mean (sd) | 5.1 (3.8) | 6.8 (3.5) | 3.7 (2.6) | 0.4 (0.3) |
| Length of stay (days) | mean (sd) | 5.6 (1.6) | 5.9 (1.1) | 6.8 (0.6) | 3.0 (0.6) |
| Length of stay (days) | med (IQR) | 3.0 (1.0) | 3.1 (0.9) | 4.0 (0.7) | 1.3 (0.3) |
| ICU mortality (%) | mean (sd) | 14.3 (6.8) | 16.2 (4.9) | 17.5 (4.9) | 2.9 (1.6) |
| Hospital mortality (%) | mean (sd) | 20.1 (8.2) | 23.2 (4.5) | 23.5 (3.4) | 4.3 (2.5) |
|
| |||||
| Quarterly indicators-one year 2009Q4-2010Q3 | |||||
| Unplanned extubation/1000 ventilator days | mean (sd) | 4.8 (3.5)c | 5.3 (3.9) | 4.9 (1.9) | 0.8 (0)c |
| Incidence VAP/1000 ventilator days | mean (sd) | 4.2 (2.0)c | 3.9 (2.0)b | 4.8 (2.4)b | 4.8 (2.5) |
| Incidence CLBSI/1000 line days | mean (sd) | 1.1 (0.9)b | 1.0 (0.8) | 1.2 (0.9) | 1.6 (1.6)b |
| MRSA on admission/1000 patients | mean (sd) | 25.9 (15.5)b | 31.3 (13.2)b | 29.4 (11.6) | 3.4 (3.1) |
| ICU acquired MRSA/1000 patient days | mean (sd) | 0.90 (0.84) | 0.77 (1.02)b | 1.26 (0.31) | 0.82 (0.74) |
| Extubation failure rate (%) | mean (sd) | 2.7 (1.5) | 2.8 (1.3) | 3.5 (1.6) | 1.0 (0.9) |
| Organ donation | donor/potential | 58/102 | 28/62 | 30/39 | 0/1 |
aThese units admit medical and/or surgical patients in addition to trauma patients.
bData missing from one unit.
cData missing from two units.