Table 2. Median values of pH, lactate and base deficit according to protocol phases.

	BASELINE	MILD	MODERATE	SEVERE
pH	7.34 (7.34, 7.37)	7.33 (7.31, 7.34)	7.28 (7.24, 7.30)	6.98 (6.96, 7.07)
Lactate	1.60 (1.33, 1.85)	1.65 (1.40, 2.05)	3.80 (2.68, 4.60)	11.40 (5.20, 12.43)
Base deficit	1.08 (0.31, 3.28)	0.29 (−2.10, 1.06)	−2.46 (−3.85, −1.17)	−14.07 (−15.34, −12.64)

Interquartile ranges are reported within brackets. Lactate and base deficit are shown in mEq/L.