Table 3.

Comparison of laboratory findings between survivors and non-survivors

	Total (266)	Survivors (235)	Non-survivors (31)	p value
Creatinine (μmol/L), mean ± SD
Initial	79.6 ± 38.9	79.6 ± 39.8	88.4 ± 25.6	0.20
At 48 h.	79.6 ± 21.2	79.6 ± 39.8	132.6 ± 98.1	0.001
Sodium (mmol/L), mean ± SD
Initial	140.6 ± 2.9	140.6 ± 2.7	140.6 ± 3.5	0.93
At 48 h	141.5 ± 5.8	140.6 ± 4.3	148.5 ± 10.1	<0.001
Potassium (mmol/L), mean ± SD
Initial	3.9 ± 0.5	3.9 ± 0.5	4.0 ± 0.6	0.63
At 48 h	3.8 ± 0.5	3.8 ± 0.4	3.8 ± 0.8	0.84
Chloride (mmol/L), mean ± SD
Initial	103.9 ± 3.3	104.1 ± 3.2	102.3 ± 3.9	0.006
At 48 h	106.5 ± 6.1	105.7 ± 4.7	112.6 ± 10.7	0.002
Δchloride (mmol/L), mean ± SD	2.6 ± 6.6	1.7 ± 5.2	10.3 ± 11.1	<0.001
Δchloride (mmol/L), n (%)				<0.001
-10 ≤ < 0	80 (32)	77 (34)	3 (11)
0 ≤ <10	148 (59)	134 (60)	14 (52)
10 ≤ <20	18 (7)	12 (5)	6 (2)
20 ≤ <30	5 (2)	2 (1)	3 (11)
40 ≤	1 (1)	0 (0)	1 (4)
pH, mean ± SD
Initial	7.36 ± 0.10	7.37 ± 0.88	7.32 ± 0.18	0.16
At 48h	7.50 ± 1.33	7.52 ± 1.43	7.37 ± 0.09	0.59
Base deficit (mmol/L), mean ± SD
Initial	−5.7 ± 4.0	−5.4 ± 3.8	−8.2 ± 4.6	0.003
At 48 h	−1.0 ± 3.0	−0.6 ± 2.7	−3.4 ± 4.1	<0.001
Lactate (mmol/L), mean ± SD
Initial	3.9 ± 3.1	3.6 ± 2.7	6.4 ± 4.4	0.003
At 48 h	1.8 ± 1.6	1.5 ± 1.3	3.4 ± 2.9	0.03

SD standard deviation