Research Article

Incidence and Cause of Delirium in Hospitalized Patients between the Ages of 18 and 56: A Retrospective Chart Review

Table 1

Categorical sample descriptors.

Frequency of subjects with no delirium Frequency of subjects with delirium

Gender
 Male35 (0.73)13 (0.27, 0.15 to 0.42)
 Female24 (0.69)11 (0.31, 0.17 to 0.49)
Race
 White 51 (0.73)19 (0.27, 0.17 to 0.39)
 Asian1 (1.0)0 (0.0, 0.0 to 0.98)
 Hispanic2 (0.67)1 (0.33, 0.0 to 0.91)
 Black 2 (0.67)1 (0.33, 0.0 to 0.91)
 Native American1 (1.0)0 (0.0, 0.0 to 0.98)
 Other2 (0.40)3 (0.60, 0.15 to 0.95)
Cancer type
 Lung1 (0.14)6 (0.86, 0.42 to 0.99)
 Central nervous system3 (0.50)3 (0.50, 0.12 to 0.88)
 Gastrointestinal5 (0.63)3 (0.38, 0.09 to 0.76)
 Hematological23 (0.72)9 (0.28, 0.14 to 0.47)
 Sarcoma5 (0.83)1 (0.17, 0.0 to 0.64)
 Head and neck7 (0.88)1 (0.13, 0.0 to 0.53)
 Breast1 (1.0)0 (0.0, 0.0 to 0.98)
 Genitourinary0 (0.0)1 (1.0, 0.03 to 1.0)
 Gynecological11 (1.0)0 (0.0, 0.0 to 0.28)
 Neuroendocrine2 (1.0)0 (0.0, 0.0 to 0.84)
 Skin1 (1.0)0 (0.0, 0.0 to 0.98)
Reason for admission
 Surgical resection 9 (1.0)0 (0.0, 0.0 to 0.34)
 Chemotherapy31 (0.97)1 (0.03, 0.0 to 0.16)
 Hematological stem cell transplantation5 (0.56)4 (0.44, 0.14 to 0.79)
 Acute symptom management14 (0.42)19 (0.58, 0.39 to 0.75)

No delirium ( )Delirium ( )

Age
 Mean 43.0351.42
 Median47.051.50
 Standard deviation11.663.72
Length of stay (days)
 Mean5.5611.21
 Median4.06.50
 Standard deviation5.6413.24
Total cost
 Mean15846.0343686.29
 Median9488.020654.50
 Standard deviation18970.4963617.43

Parentheses contain proportion; exact 95% confidence interval follows the proportion in the subjects with delirium column.