Table 4 Influencing factors of the number of ADR types

Sex

Male

Female

0.305

0.814

0.549–1.207

Age (years)

–

–

0.118

0.979

0.953–1.005

Number of readmissions

–

–

0.010

0.889

0.813–0.972

Number of medical diagnoses

–

–

0.022

1.094

1.013–1.181

Number of drugs

–

–

0.001

1.103

1.044–1.166

Length of hospitalization

3–17 days

18–28 days

0.007

2.200

1.241–3.900

29 days and above

0.078

1.736

0.940–3.207