Research Article

Prevalence of Emergence Delirium and Associated Factors among Older Patients Who Underwent Elective Surgery: A Multicenter Observational Study

Table 3

Bivariable logistic regression of factors associated with the emergence delirium in older patients who underwent elective surgery in the teaching hospitals of Ethiopia, Ethiopia (n = 384).

VariablesCategoriesEmergence delirium, frequency (%)COR (95% CI)-value
Yes (n = 106)No (n = 278)
106 (27.6)278 (72.4)

Educational statusHigh education26 (22.6)89 (77.4)1
Low education18 (14.3)108 (85.7)0.57 (0.22–0.66)0.22
No62 (43.4)81 (56.6)2.62 (0.90–3.40)0.18

Marital statusMarried71 (22.8)241 (77.2)1
Single23 (46.9)26 (53.1)3.0 (0.46–3.33)0.22
Divorced12 (52.2)11 (47.8)4.16 (1.57–8.75)0.23

ComorbidityNo71 (23.1)237 (76.9)1
Yes35 (46.1)41 (53.9)2.85 (2.11–10.0)0.16

Preoperative hemoglobin levelNonanemic45 (14.5)266 (85.5)1
Anemic61 (83.6)12 (16.4)30.1 (3.10–26.0)0.24

Types of anesthesiaRegional anesthesia34 (19.3)142 (80.7)1
General anesthesia72 (34.6)136 (65.4)2.21 (1.82–9.2)0.22

PremedicationAnticholinergicNo49 (17)240 (83)1
Yes57 (60)38 (40)7.35 (5.5–11.3)0.12
OpioidsNo41 (15.5)223 (84.5)1
Yes65 (54.2)55 (45.8)6.43 (20–55)0.23

Types of surgeryOthers (Plastics and EENT)2 (7.4)23 (92.6)1
Urology8 (19.5)33 (80.5)2.79 (1.21–9.33)0.44
Neurologic surgery10 (37.0)17 (63.0)6.76 (2.0–17.15)0.23
Oral and maxillofacial10 (19.6)41 (80.4)2.80 (0.42–8.55)0.26
Gynecology10 (22.7)34 (77.3)3.38 (1.06–12.0)0.54
Thoracic13 (41.9)18 (58.1)8.31 (4.44–21.1)0.19
Orthopedics18 (27.7)49 (72.3)4.22 (0.65–3.88)0.20
General surgery35 (35.7)63 (64.3)6.39 (1.46–17.2)0.22

Postoperative painNo-mild93 (25.7)269 (74.3)1
Moderate-severe13 (59.1)9 (40.9)4.18 (7.3–17.1)0.23

Sedation levelsCalm or no answers56 (21.9)200 (78.1)1
Restless10 (31.3)22 (68.7)1.62 (22–38)0.22
Agitated9 (33.3)18 (66.7)1.78 (2.4–3.1)0.24
Very agitated17 (47.2)19 (52.8)3.19 (1.5–6.4)0.19
Combative14 (42.4)19 (57.6)2.63 (1.6–8.1)0.21

N.B: Bold -value = significant association on bivariable logistic regression at a -value< 0.25. 1-Reference group.