Document Classification

Section Type: RESULTS

Text: The mean extradural pressure in the hypothermia group (27. 38 mm Hg + / - 4. 88 mm Hg at 24 hours, 29. 40 mm Hg + / - 4. 50 mm Hg at 48 hours and 26. 40 mm Hg + / - 4. 13 mm Hg at 72 hours after injury) was much lower than that in the control group (32. 63 mm Hg + / - 3. 00 mm Hg, 34. 80 mm Hg + / - 6. 00 mm Hg and 31. 81 mm Hg + / - 4. 50 mm Hg respectively at 24, 48 and 72 hours, P < 0. 05).