Table 4. Final eight variables for 30-day readmission risk score real-time generation in electronic medical record.

Variables	β coefficient	Odds ratio (95% CI)
Intercept	−3.36
Patient's age	0.01	1.02 (1.01–1.02)
Patient staying at 1-room flat, institution or homeless	0.24	1.39 (1.09–1.76)
Number of hospital admissions in previous 1 y	0.24	1.07 (1.01–1.14)
Number of emergency attendances in previous half year	0.08	1.16 (1.08–1.24)
Medical social referral in previous 1 y	0.28	1.96 (1.56–2.45)
Functional components:
Dependent	0.39	1.50 (1.45–1.54)
Needs assistance	0.19	1.17 (1.09–1.24)
Charlson Comorbidities Index	0.07	1.11 (1.05–1.18)
Number of preadmission chronic medication	0.05	1.05 (1.03–1.07)