Table 3.
Sample characteristics and adjusted odds ratios/coefficients for variables associated with readmissions, in-hospital mortality, and length of stay
| Variable | Readmission (N = 11,059) | In-Hospital mortality (N = 8657) | Length of Stay (N = 11,059) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| N (%) | Adj OR (95%CI) | P-value | N (%) | Adj OR (95%CI) | P-value | Median | Adj coeff (95%CI) | P-value | |
| All | 1273 (11.5) | 281 (3.2) | 2.4 | ||||||
| Attended by relevant subspecialist | |||||||||
| - No (ref) | 453 (15.1) | 1.00 | 98 (4.2) | 1.00 | 2.6 | 1.00 | |||
| - Yes | 820 (10.2) | 0.91 (0.76 to 1.09) | 0.308 | 183 (2.9) | 0.71 (0.48 to 1.04) | 0.077 | 2.3 | 0.18 (−0.07 to 0.42) | 0.158 |
| Consultant sex | |||||||||
| - Male (ref) | 1009 (11.5) | 1.00 | 211 (3.1) | 1.00 | 2.5 | 1.00 | |||
| - Female | 264 (11.6) | 1 (0.86 to 1.16) | 0.989 | 70 (3.6) | 1.13 (0.85 to 1.5) | 0.390 | 2.2 | -0.23* (−0.42 to −0.04) | 0.020 |
| Patient sex | |||||||||
| - Male (ref) | 657 (11.6) | 1.00 | 136 (3.1) | 1.00 | 2.2 | 1.00 | |||
| - Female | 616 (11.5) | 1.03 (0.91 to 1.16) | 0.633 | 145 (3.4) | 1.17 (0.92 to 1.49) | 0.213 | 2.6 | 0.11 (−0.02 to 0.29) | 0.097 |
| Patient age | |||||||||
| - 0–39 (ref) | 69 (9.8) | 1.00 | 1 (0.2) | 1.00 | 1.0 | 1.00 | |||
| - 40–59 | 191 (11.0) | 0.88 (0.65 to 1.18) | 0.378 | 14 (1.0) | 3.34 (0.43 to 25.63) | 0.247 | 1.2 | 0.70* (0.33 to 1.06) | < 0.001 |
| - 60–79 | 562 (12.1) | 0.75* (0.56 to 0.99) | 0.041 | 100 (2.6) | 5.88 (0.81 to 42.82) | 0.081 | 2.5 | 1.86* (1.52 to 2.2) | < 0.001 |
| - ≥ 80 | 451 (11.5) | 0.68* (0.51 to 0.91) | 0.009 | 166 (5.5) | 11.80* (1.63 to 85.74) | 0.015 | 3.3 | 2.61* (2.26 to 2.95) | < 0.001 |
| Diagnostic group | |||||||||
| - General (ref) | 529 (9.1) | 1.00 | 132 (2.9) | 1.00 | 2.5 | 1.00 | |||
| - Infectious Diseases | 2 (5.7) | 0.64 (0.15 to 2.71) | 0.543 | 0 (0.0) | * | 2.9 | 1.2 (−0.21 to 2.6) | 0.096 | |
| - Cardiology | 319 (13.1) | 1.43* (1.21 to 1.69) | < 0.001 | 59 (3.2) | 0.87 (0.61 to 1.24) | 0.430 | 1.9 | −0.99* (−1.2 to − 0.77) | < 0.001 |
| - Lung Medicine | 206 (17.5) | 1.67* (1.33 to 2.11) | < 0.001 | 42 (4.4) | 0.91 (0.56 to 1.47) | 0.692 | 3.0 | 0.22 (−0.11 to 0.55) | 0.139 |
| - Gastroenterology | 120 (13.5) | 1.37* (1.08 to 1.74) | 0.009 | 28 (4.2) | 1.09 (0.66 to 1.81) | 0.727 | 2.4 | 0.36* (0.04 to 0.68) | 0.029 |
| - Haematology | 49 (29.5) | 2.75* (1.86 to 4.07) | < 0.001 | 12 (9.9) | 1.66 (0.79 to 3.45) | 0.178 | 2.8 | 0.74* (0.05 to 1.43) | 0.035 |
| - Endocrinology | 9 (4.5) | 0.36* (0.18 to 0.71) | 0.004 | 2 (1.4) | 0.31 (0.07 to 1.35) | 0.119 | 3.0 | 1.14* (0.51 to 1.76) | < 0.001 |
| - Nephrology | 16 (8.6) | 0.8 (0.47 to 1.37) | 0.418 | 1 (0.6) | 0.13* (0.02 to 0.94) | 0.043 | 3.9 | 1.48* (0.85 to 2.11) | < 0.001 |
| - Oncology | 14 (28.0) | 2.07* (1.07 to 4) | 0.030 | 5 (12.8) | 1.66 (0.58 to 4.76) | 0.347 | 5.4 | 3.10* (1.91 to 4.28) | < 0.001 |
| - Rheumatology | 9 (10.7) | 1.05 (0.51 to 2.16) | 0.903 | 0 (0.0) | * | 3.4 | * | ||
| Charlson score | |||||||||
| - 0 (ref) | 290 (7.4) | 1.00 | 24 (0.8) | 1.00 | 1.4 | 1.00 | |||
| - 1 | 335 (9.8) | 1.34* (1.13 to 1.6) | 0.001 | 63 (2.4) | 2.43* (1.5 to 3.92) | < 0.001 | 2.6 | 0.25* (0.06 to 0.44) | 0.010 |
| - 2 | 314 (16.3) | 2.33* (1.94 to 2.81) | < 0.001 | 76 (5.3) | 4.96* (3.08 to 7.99) | < 0.001 | 3.2 | 0.93* (0.7 to 1.17) | < 0.001 |
| - ≥3 | 334 (18.3) | 2.72* (2.26 to 3.27) | < 0.001 | 118 (7.8) | 7.45* (4.72 to 11.77) | < 0.001 | 3.9 | 1.23* (0.93 to 1.53) | < 0.001 |
*Not included in the model due to few patients with the condition