Table 2.
Logistic regression | Multiple logistic regressiona | ||||||||
---|---|---|---|---|---|---|---|---|---|
N (n) | OR | 95 % CI | p-value | OR | 95 % CI | p-value | |||
Socio-demographic variables | |||||||||
Gender (1 = female) | 1571 (647) | 1.36 | 1.10 | 1.67 | 0.004** | 1.35 | 1.02 | 1.78 | 0.035* |
Marital status (1 = not married) | 1536 (583) | 1.43 | 1.16 | 1.77 | 0.001** | 1.23 | 0.93 | 1.63 | 0.150 |
Initial clinical presentation | |||||||||
Main diagnosis | 1473 | ||||||||
Psychiatric disorder (inlc. intoxication)b | 35 | 2.23 | 1.13 | 4.38 | 0.021* | 1.37 | 0.53 | 3.57 | 0.521 |
Musculoskeletal disorderb | 74 | 1.68 | 1.05 | 2.68 | 0.030* | 1.04 | 0.56 | 1.95 | 0.901 |
Comorbidity | 1266 | ||||||||
COPDc | 32 | 1.53 | 1.03 | 2.28 | 0.035* | 1.05 | 0.62 | 1.77 | 0.856 |
Psychiatric disorderc | 140 | 2.10 | 1.45 | 3.05 | <0.001*** | 1.63 | 1.08 | 2.62 | 0.021* |
Intoxicationc | 96 | 1.51 | 1.04 | 2.19 | 0.029* | 1.28 | 0.74 | 2.24 | 0.380 |
Number of acute medical problems | 1409 | 1.09 | 1.02 | 1.17 | 0.007** | 1.03 | 0.95 | 1.12 | 0.479 |
Course of illness | |||||||||
Rehospitalisation (1 = yes) | 1575 (116) | 2.06 | 1.41 | 3.01 | <0.001*** | 2.38 | 1.47 | 3.86 | <0.001*** |
Readmission ED (1 = yes) | 1575 (61) | 1.73 | 1.04 | 2.89 | 0.036* | 0.78 | 0.39 | 1.57 | 0.483 |
Unplanned visit at GP | 1575 (54) | 3.74 | 2.09 | 6.71 | <0.001*** | 4.75 | 2.57 | 8.80 | <0.001*** |
Discharge post-care institution (1 = yes) | 1530 (291) | 1.91 | 1.47 | 2.47 | <0.001*** | 1.47 | 1.03 | 2.09 | 0.033* |
Length of hospital stay | 1239 | 1.04 | 1.02 | 1.06 | <0.001*** | 1.02 | 0.99 | 1.04 | 0.149 |
p < 0.05*, p < 0.01**, p < 0.001***
apseudoR2 = 0.0488 (N = 1344)
ball other diagnoses were used as dummy variables
call other comorbidities were used as dummy variables
OR Odds ratio, CI Confidence interval, COPD Chronic obstructive pulmonary disease, ED Emergency department, GP General practitioner