Table 3.

Characteristics of patients (n=27) with ORADEs (n=28)*

Patient characteristics
Patients with an ADE, n	27
Male sex, n (%)	11 (41)
Age, median years (IQR)	76 (66–83)
Length of stay, median days (IQR)	7 (4–16)
Non-elective admission, n (%)	19 (70)
Terminally ill prior to admission, n (%)	6 (22)
Total number of medical specialists, n (%)
1	4 (15)
2	2 (7)
3	21 (78)
Primary specialisation during admission, n (%)
Surgical	7 (26)
Non-surgical	20 (74)
Underwent invasive procedure, n (%)	9 (33)
Comorbidity†, n (%)
No comorbidity	0 (0)
Minor comorbidity	3 (11)
Moderate comorbidity	5 (19)
Significant comorbidity	19 (70)

*Presented on the patient level.

†The level of comorbidity was assessed by the experts after careful review of the information on patient records.

ADE, adverse drug event; ORADEs, opioid-related adverse drug events.