Neutrophil-lymphocyte ratio: A prognostic tool in patients with in-hospital cardiac arrest

Table 1 Overall characteristics of the survivors and non-survivors of in hospital cardiac arrest event

	Survivor	Non survivor	P valuea
Age (yr)1	61.6 ± 17.0	68.5 ± 15.6	0.01
Male	34.2 % (27)	65.8% (52)	0.9
Female	35.1% (26)	64.9% (48)
Baseline laboratory values
Potassium (mmol/L)1	4.3 ± 1.1	4.6 ± 1.1	0.05
Serum lactate (mmol/L)1	5.0 ± 3.7	8.6 ± 7.0	0.001
Glucose (mg/dL)1	171 ± 86	184 ± 114	0.5
Platelet (thousand/cu mm)1	217 ± 122	201 ± 121	0.47
pH1	7.3 ± 0.15	7.2 ± 0.2	0.03
Initial cardiac rhythm
Pulseless electrical activity	33.7% (34)	66.3% (67)	0.49
Ventricular fibrillation	54.5% (6)	45.5% (5)
Pulseless ventricular tachycardia	50% (3)	50% (3)
Asystole	34.8% (8)	65.2% (15)

^aP value for global difference.

¹mean ± SD.