Analysis of the Relationships between Multiple Endocrine Hormones and Return of Spontaneous Circulation (ROSC) in Cardiac Arrest Patients: Possible Association of the Serum Free T4 Level with ROSC

Table 4

Comparison of the 24-hour survival and nonsurvival groups in the ROSC group (n = 17).

	24-hour survival group (n = 7)	Nonsurvival group (n = 10)	value
Sex (male/female)	6/1	6/4	0.3382
Age (y)	85 (52–87)	80 (64–92)	0.8913
Temperature (°C)	35.0 (34.3–38.4)	34.8 (32.0–36.0)	0.0941
Arterial blood gas (pH)	6.912 (6.685–7.090)	6.977 (6.758–7.405)	0.2386
Arterial blood PO2 (mmHg)	85.1 (42.9–157)	69.9 (33.8–124)	0.1182
Arterial blood PCO2 (mmHg)	72.3 (27.2–179)	57.9 (10.0–337)	0.8605
Arterial blood bicarbonate (mEq/L)	18.4 (12.7–23.4)	16.3 (8.4–36.5)	0.9395
Lactic acid (mEq/L)	12.6 (8.92–14.2)	10.5 (5.89–18.0)	0.7404
Na (mEq/L)	140 (135–146)	143 (134–147)	0.7609
K (mEq/L)	4.3 (3.3–6.0)	6.8 (3.7–8.1)	0.0052
White blood cell count (/μL)	10500 (8200–17000)	9500 (5000–17100)	0.4094
Blood glucose (mg/dL)	374 (243–554)	205 (60–435)	0.0120
TSH (μIU/mL)	1.950 (0.306–5.160)	2.472 (0.296–7.954)	0.2877
F-T3 (pg/mL)	2.56 (2.10–3.56)	2.56 (1.99–3.64)	0.8359
F-T4 (ng/dL)	1.03 (0.90–1.43)	0.97 (0.64–1.63)	0.6803
ACTH (pg/mL)	28.3 (3.2–269)	22.7 (2.7–132)	0.3578
Cortisol (μg/dL)	9.0 (4.3–30.2)	15.0 (6.5–41.3)	0.2147
GH (ng/mL)	2.41 (1.51–7.74)	5.69 (0.37–24.5)	0.0726
IGF-1 (ng/mL)	90.3 (32.0–146)	71.1 (15.0–110)	0.3011
Aldosterone (pg/mL)	162 (49.3–223)	130 (58.8–260)	0.9151
PRA (ng/mL/h)	3.5 (1.1–6.0)	2.0 (0.4–32)	0.2025

Data are shown as medians (range), except sex. values were determined by logistic regression analysis, except for sex (chi-squared test).  < 0.05. ROSC, return of spontaneous circulation; Na, sodium; K, potassium; TSH, thyroid stimulating hormone; F-T3, free T3; F-T4, free T4; ACTH, adrenocorticotrophic hormone; GH, growth hormone; IGF-1, insulin-like growth factor-1; PRA, plasma renin activity.