Table 3.

Univariate analysis of preoperative and postoperative laboratory data and highest postoperative body temperatures in the age-matched delirium positive and negative groups

Factor	Age-matched delirium positive group	Age-matched delirium negative group	p-value
Preoperative
WBC (cells/mL)	6,055±1,948	5,996±3,622	0.90
CRP (mg/dL)	0.50±0.95	0.32±0.86	0.22
Hb (g/dL)	12.7±1.60	13.0±1.48	0.32
Hct (%)	37.9±4.50	38.6±4.13	0.29
Na (mmol/L)	139.3±5.5	140.6±2.9	0.04*
Alb (g/dL)	3.8±0.6	3.9±0.4	0.25
Postoperative
WBC (cells/mL)	8,115±3,186	8,500±2,550	0.39
CRP (mg/dL)	3.12±3.83	1.80±1.73	0.002*
Hb (g/dL)	11.1±1.87	11.8±3.47	0.14
Hct (%)	32.5±5.4	34.5±4.8	0.02*
Na (mmol/L)	136.7±4.8	137.7±3.4	0.11
Alb (g/dL)	3.1±0.5	3.3±0.4	0.004*
Body temperature (degrees Celsius)	37.6±0.5	37.4±0.4	0.009*

Values are presented as the mean±standard deviation.

WBC, white blood cells; CRP, C-reactive protein; Hb, hemoglobin; Hct, hematocrit; Na, sodium; Alb, albumin.

^*p<0.05 (statistically significant difference).