Table 3 Summary of the cumulative mortality rate at days 7, 30, and 90 in patients admitted to the ICU from 2005 to 2010 according to the presence of severe sepsis

Day 7

Number of deaths ^(*)

2,162

690

363

327

Cumulative mortality rate ^(**)

All patients

28.8 (27.6; 30.1)

36.5 (33.8; 39.2)

<0.001

30.5 (27.3; 33.6)

46.7 (41.6; 51.8)

<0.001

Patients with severe sepsis

26.1 (24.3; 27.9)

35.3 (31.7; 38.7)

<0.001

29.2 (25.4; 33.2)

46.5 (39.6; 53.3)

<0.001

Patients without severe sepsis

30.6 (28.9; 32.2)

38.2 (33.9; 42.5)

<0.001

32.3 (27.2; 37.4)

47.1 (39.5; 54.5)

<0.001

P value ^(c)

<0.001

0.210

0.292

0.941

Day 30

Number of deaths ^(*)

3819

1285

765

520

Cumulative mortality rate ^(**)

All patients

50.9 (49.3; 52.5)

67.9 (64.2; 71.7)

<0.001

64.2 (59.7; 68.8)

74.3 (67.9; 80.7)

<0.001

Patients with severe sepsis

64.0 (61.1; 66.9)

73.8 (68.7; 78.9)

<0.001

69.5 (63.3; 75.6)

81.9 (72.8; 90.9)

<0.001

Patients without severe sepsis

42.4 (40.5; 44.3)

59.9 (54.6; 65.3)

<0.001

56.4 (49.7; 63.2)

65.2 (56.3; 74.1)

0.016

P value ^(c)

<0.001

<0.001

<0.001

<0.001

Day 90

Number of deaths ^(*)

4419

1531

958

573

Cumulative mortality rate ^(**)

All patients

58.9 (57.2; 60.7)

80.9 (76.9; 85.1)

<0.001

80.4 (75.3; 85.5)

81.9 (75.1; 88.6)

0.484

Patients with severe sepsis

80.6 (77.3; 83.8)

90.7 (85.1; 96.4)

<0.001

90.7 (83.7; 97.7)

90.8 (81.2; 99.9)

0.999

Patients without severe sepsis

44.9 (42.9; 46.8)

67.6 (61.8; 73.3)

<0.001

65.2 (57.9; 72.4)

71.2 (61.9; 80.4)

0.092

P value ^(c)

<0.001

<0.001

<0.001

<0.001