Skip to main content

Table 4 Multivariate cox regression analysis for comparison of outcome measures between case and control cohorts

From: Hospital utilization rates following antipsychotic dose reductions: implications for tardive dyskinesia

Outcome Dose Reduction HR 95% CI P Value
Inpatient admission ≥10% 1.17 1.11, 1.23 < 0.001
Inpatient admission ≥30% 1.23 1.17, 1.31 < 0.001
ER visit ≥10% 1.09 1.05, 1.14 < 0.001
ER visit ≥30% 1.14 1.08, 1.19 < 0.001
Schizophrenia admission or ER visit* ≥10% 1.27 1.19, 1.36 < 0.001
Schizophrenia admission or ER visit* ≥30% 1.31 1.21, 1.41 < 0.001
Psychiatric admission or ER visit* ≥10% 1.16 1.10, 1.23 < 0.001
Psychiatric admission or ER visit* ≥30% 1.21 1.14, 1.29 < 0.001
TD claim ≥10% 1.39 0.80, 2.41 0.24
TD claim ≥30% 1.60 0.86, 3.00 0.14
  1. *See Additional file 1: Table S1 for ICD-9 and ICD-10 diagnostic codes
  2. CI confidence interval; ER emergency room; HR hazard ratio; ICD International Classification of Diseases