Incidence of Delirium in Critically Ill Cancer Patients

Table 1

Demographic and clinical data of patients.

	With delirium	Without delirium
Number of patients, n (%)	25 (22.9)	84 (77.1)
Age (years), median ± standard deviation (SD)	55.4 ± 17.55	47.42 ± 18.13	0.050^$
Sex, n (%)
Women	16 (64)	46 (54.8)	0.410
Comorbidities, n (%)	11 (44)	41 (48.8)	0.670
Arterial hypertension	4 (16)	14 (16.7)	0.930^+
Diabetes mellitus	4 (16)	12 (14.3)	0.760^+
Heart failure	6 (24)	22 (26.2)	0.830
Type of patient, n (%)
Medical condition	12 (48)	34 (40.5)	0.500^+
Surgical condition	13 (52)	50 (59.5)
Place before admission to ICU, n (%)
Emergency room	0	2 (2.4)
Ward	15 (60)	42 (50)
Operating room	10 (40)	40 (47.6)
Reason for admission to ICU, n (%)
Septic shock	11 (44)	33 (39.3)	0.670
Hypovolemic shock	2 (8)	23 (27.4)	0.060^°
Acute respiratory failure	5 (20)	7 (8.3)	0.100
Postsurgical care	1 (4)	6 (7.14)	0.999°
Postcardiac arrest care	3 (12)	3 (3.57)	0.130
Type of malignancies, n (%)
Solid tumor	14 (56)	61 (72.6)	0.110
Hematologic neoplasm	11 (44)	23 (27.4)
Status of oncological disease, n (%)
Recent diagnosis	10 (40)	38 (33.3)	0.540
Active disease	9 (36)	49 (58.3)
Complete remission	6 (24)	7 (8.3)
Extension of neoplasm, n (%)
Local or regional	17 (15.6)	72 (66)	0.040
Metastatic	8 (7.3)	12 (11)
Treatment for cancer, n (%)
Surgical treatment	13 (52)	42 (50)	0.860
Chemotherapy	9 (36)	46 (54.8)	0.100
Radiotherapy	6 (24)	1 (1.2)	0.410^+
Karnofsky score	80 (65–95)	80 (70–90)	0.780^°
ECOG	1 (0.5–2.5)	1 (1–2)	0.770^°
SOFA score at admission to ICU	7 (5–10.5)	7 (3.5–10)	0.450^°
MEXSOFA score at admission to ICU	8 (6–11)	8 (4–11)	0.420^°
Mortality in the ICU, n (%)	3 (12)	14 (16.7)	0.750^+

ICU: intensive care unit; SOFA: Sequential Organ Failure Assessment score, MEXSOFA: Mexican Sequential Organ Failure Assessment score; IQR: interquartile range; ^$Student’s t; chi-squared; ⁺Fisher’s exact; ^°Mann–Whitney U.