Within- and between-centre differences for complexity, functional independence and cost-efficiency parameters
| Unit | Liverpool | Within-service change Wilcoxon tests | London | Within-service change Wilcoxon tests | Between-service differences Mann-Whitney U tests | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Parameter | Admission Median (IQR) | Discharge Median (IQR) | z | p Value | Admission Median (IQR) | Discharge Median (IQR) | z | p Value | Admission | Discharge | ||
| z | p Value | z | Value | |||||||||
| RCSE v13 (n=88) | (n=102) | |||||||||||
| Care | 2 (2-2) | 2 (1-2) | −3.2 | <0.001 | 2 (2-2) | 2 (2-2) | −2.8 | <0.001 | −0.9 | 0.390 | −1.0 | 0.327 |
| Nursing | 3 (2-3) | 2 (1-3) | −5.8 | <0.001 | 3 (3-4) | 2 (2-3) | −4.8 | <0.001 | −4.7 | <0.001 | −4.5 | <0.001 |
| Medical | 3 (3-3) | 2 (2-3) | −6.5 | <0.001 | 3 (3-4) | 3 (2-3) | −7.2 | <0.001 | −5.2 | <0.001 | −0.9 | 0.390 |
| Therapy | 7 (6-7) | 6 (5-7) | −4.6 | <0.001 | 6 (5-7) | 6 (5-6) | −2.4 | 0.02 | −4.4 | <0.001 | −2.5 | 0.013 |
| Equipment | 2 (1-2) | 2 (1-2) | −1.2 | 0.26 | 2 (1-2) | 2 (1-2) | −0.81 | 0.42 | −2.1 | 0.034 | −2.2 | 0.028 |
| Total | 16 (16-17) | 14 (12-16) | −6.8 | <0.001 | 16 (15-18) | 14 (13-16) | −6.1 | <0.001 | −0.3 | 0.795 | −1.0 | 0.336 |
| Total N+M | 6 (5-6) | 4 (3-5) | −6.9 | <0.001 | 6 (6-7) | 5 (4-6) | −6.8 | <0.001 | −5.7 | <0.001 | −29 | 0.004 |
| Functional gain (UK FIM+FAM) (n=88) | (n=93) | |||||||||||
| Motor | 18 (16-27) | 33 (17-68) | 6.9 | <0.001 | 16 (16-19) | 17 (16-52) | 6.2 | <0.001 | −2.4 | 0.017 | −2.6 | 0.008 |
| Cognitive | 27 (14-56) | 52 (19-78) | 6.9 | <0.001 | 16 (14-35) | 31 (14-67) | 6.4 | <0.001 | −2.6 | 0.009 | −3.0 | 0.003 |
| Total | 50 (31-82) | 90 (39-148) | 7.2 | <0.001 | 32 (30-60) | 53 (30-119) | 6.7 | <0.001 | −2.8 | 0.005 | −2.8 | 0.005 |
| Functional gain (UK FIM+FAM) excluding PDOC patients (n=75) | (n=62) | |||||||||||
| Motor | 19 (16-28) | 38 (24-77) | 6.9 | <0.001 | 17 (16-26) | 40 (17-83) | 6.1 | <0.001 | −0.8 | 0.425 | −0.7 | 0.468 |
| Cognitive | 34 (18-62) | 59 (40-80) | 6.9 | <0.001 | 26 (16-53) | 57 (31-79) | 6.4 | <0.001 | −1.2 | 0.243 | −1.1 | 0.276 |
| Total | 57 (35-89) | 105 (64-151) | 7.2 | <0.001 | 48 (32-74) | 88 (56-151) | 6.7 | <0.001 | −1.1 | 0.266 | −0.8 | 0.431 |
| Dependency (NPDS/NPCNA) (n=81) | (n=99) | |||||||||||
| Total NPDS | 46 (36-53) | 40 (22-51) | −3.4 | 0.001 | 51 (45-54) | 43 (24-49) | −6.3 | <0.001 | −2.5 | 0.013 | −0.1 | 0.947 |
| Dependency (NPDS/NPCNA) excluding PDOC patients (n=70) | (n=67) | |||||||||||
| Total NPDS | 45 (32-53) | 37 (19-50) | −3.9 | <0.001 | 49 (41-53) | 35 (11-45) | −6.1 | <0.001 | −1.7 | 0.092 | −1.3 | 0.176 |
All p Values two-tailed. To allow for multiple tests (n=13), the threshold for significance is taken as 0.003 (=0.05/15).
Values in bold typeface are statistically significant p values.
FIM, Functional Independence Measure; FIM+FAM, UK Functional Assessment Measure; NPCNA, Northwick Park Care Needs Assessment; NPDS, Northwick Park Dependency Score; RCSE v13, Rehabilitation Complexity Scale Extended V.13; Total N+M, summed RCSE Nursing and Medical scores as a measure of acuity.