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Table 1 Characteristics of the patients reported to the national health surveillance system [3] and the subgroup included in the screening study

From: Interest of a simple on-line screening registry for measuring ICU burden related to an influenza pandemic

Baseline characteristics

Screening cohort

(n= 391)

NIPHS

(n= 1,065)

Age in years

46 (33-57)

49 (35-58)

Male

210 (53%)

562 (53%)

No risk factor of complication

87 (22%)

191 (18%)

Immunosuppression

89 (23%)

82 (8%)

Asthma

46 (12%)

135 (13%)

Chronic obstructive pulmonary disease

77 (20%)

214 (20%)

Chronic heart failure

33 (8%)

84 (8%)

Diabetes

53 (13%)

125 (12%)

Obesity: body mass index > 30

115 (29%)

84 (27%)

Pregnancy

18 (4.6%)

58 (6%)

Death

87 (22.2%)

217 (20.4%)

  1. Except for 'Age in years', which is expressed as mean (interquartile range), values are expressed as number (percentage). NIPHS, National Institute for Public Health Surveillance.