Association between ward level staffing and standardised mortality: 31 trusts
Unadjusted | Adjusted | |||||||
---|---|---|---|---|---|---|---|---|
Risk ratio | L95% CL | U95% CL | p Value | Risk ratio | L95% CL | U95% CL | p Value | |
Medical | ||||||||
Non-teaching trust | 1.12 | 1.08 | 1.15 | <0.01 | ||||
Beds (thousands) | 1.08 | 1.04 | 1.13 | <0.01 | ||||
Patients per RN (χ2, df, p value) | (59.831, 3df, <0.001) | (12.524, 3df, <0.001) | ||||||
≤6 | 0.80 | 0.76 | 0.85 | <0.001 | 0.89 | 0.83 | 0.95 | 0.001 |
6.01–8.00 | 0.92 | 0.87 | 0.96 | <0.001 | 0.96 | 0.91 | 1.01 | 0.14 |
8.01–10.00 | 0.91 | 0.87 | 0.96 | <0.001 | 0.96 | 0.91 | 1.01 | 0.11 |
≥10 | 1.00 | 1.00 | ||||||
Patients per HCSW | 1.01 | 1.00 | 1.02 | 0.001 | 1.00 | 0.99 | 1.01 | 0.92 |
Occupied beds per FTE Doctor | 1.24 | 1.19 | 1.28 | <0.001 | 1.12 | 1.06 | 1.17 | <0.001 |
Surgical | ||||||||
Non-teaching trust | 1.09 | 1.03 | 1.17 | <0.01 | ||||
Beds (thousands) | 1.15 | 1.07 | 1.24 | <0.01 | ||||
Patients per RN (χ2, df, p value) | (11.604, 3df, 0.009) | (3.290, 3df, 0.349) | ||||||
≤6 | 0.83 | 0.69 | 1.00 | 0.049 | 0.89 | 0.73 | 1.08 | 0.23 |
6.01–8.00 | 0.90 | 0.75 | 1.08 | 0.26 | 0.90 | 0.75 | 1.09 | 0.30 |
8.01–10.00 | 0.90 | 0.75 | 1.08 | 0.26 | 0.87 | 0.73 | 1.05 | 0.16 |
≥10 | 1.00 | 1.00 | ||||||
Patients per HCSW | 1.02 | 1.01 | 1.03 | 0.002 | 1.01 | 1.00 | 1.03 | 0.053 |
Occupied beds per FTE Doctor | 1.22 | 1.13 | 1.31 | <0.001 | 1.15 | 1.03 | 1.28 | 0.010 |
HCSW, healthcare support worker; FTE, full-time equivalent; RN, registered nurse.