Research Article

The Motoric Types of Delirium and Estimated Blood Loss during Perioperative Period in Orthopedic Elderly Patients

Table 1

Demographic and perioperative characteristics of the subjects.

DeliriumWithout DeliriumTotal
(N=39)(N=136)(N=175)

Age (years)76.95±6.4873.24±5.7774.06±6.12
Sex(male/female)12/2739/9751/124
Education
 None17 (43.6%)31 (22.8%)48 (27.4%)
 Elementary School17 (43.6%)50 (36.8%)67 (38.3%)
 Middle School2 (5.1%)26 (19.1%)28 (16.0%)
 High School1 (2.6%)25 (18.4%)26 (14.9%)
 Over College2 (5.1%)4 (2.9%)6 (3.4%)
Dementia2 (5.1%)3 (2.2%)5 (2.9%)
Daily Function
 Independent21 (53.8%)96 (70.6%)117 (66.9%)
 Need Help in Complex External Activities9 (23.1%)33 (24.3%)42 (24.0%)
 Need Help in Daily Living Intermittently7 (17.9%)4 (2.9%)11 (6.3%)
 Fully Dependent2 (5.1%)3 (2.2%)5 (2.9%)
Estimated Blood Loss(ml) +,++991.17±1009.30521.52±599.85626.19±734.89
Red Blood Cell
 Preop Hemoglobin(g/l)12.02±2.1512.66±1.5212.52±1.70
 Preop Hematocrit(%)35.75±6.0037.54±4.3537.14±4.80
 Postop†† Hemoglobin(g/l)10.51±1.5111.27±1.5011.09±1.53
 Postop†† Hematocrit(%)31.04±4.4233.28±4.2932.77±4.41
Operation Time (min)142.05±93.14121.93±83.63126.44±85.99
Anesthetic Time (min)205.77±102.28176.41±94.12183.15±96.54
Electrolytes
 Preop Sodium (mmol/l)135.05±20.28139.90±3.31138.82±10.12
 Preop Potassium(mmol/l)4.21±0.594.29±0.524.27±0.54
 Postop†† Sodium (mmol/l)134.03±20.26136.84±12.21136.20±14.42
 Postop†† Potassium (mmol/l)3.65±0.403.88±0.493.83±0.48
Pain
 Preop Pain (VAS)2.00±1.411.87±1.661.90±1.61
 Postop†† Pain (VAS)1.59±2.020.75±1.350.94±1.56

P<0.05. Diagnosed with Diagnostic and Statistical Manual of Mental Disorders, ed., text revision (DSM-IV-TR). +The estimated volume of blood loss was determined through Mercuriali’s formula.++P<0.001. The sample was taken on the first or second hospital day, before operation. ††The sample was taken on the second postoperative day