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Table 2 Comparison of attendees and controls

From: Sanitary safety of the 2021 French Intensive Care Society medical conference: a case/control study

  Attendees
(N = 216)
Controls
(N = 191)
P
Gender, n, %    0.84
 Male 101 (46.8) 88 (46.1)  
 Female 109 (50.5) 99 (51.8)  
 Missing 6 (2.8) 4 (2.1)  
Profession    0.001
 Doctor 131 (60.6) 100 (52.4)  
 Nurse 55 (25.5) 46 (24.1)  
 Assistant nurse 2 (0.9) 9 (4.7)  
 Physiotherapist 19 (8.8) 16 (8.4)  
 Others 2 (0.9) 15 (7.9)  
 Missing 7 (3.2) 5 (2.6)  
Age    0.47
 < 50 years 160 (74.1) 149 (78.0)  
 ≥ 50 49 (22.7) 38 (19.9)  
 Missing 7 (3.2) 4 (2.1)  
History of COVID-19    *
 No 216 (100) 171 (89.5)  
 Yes 0 (0) 2 (1.0)  
 Missing 0 (0) 18 (9.4)  
Vaccinal status (number of dose) $    0.77
 0 dose 8 (3.7) 10 (5.2)  
 1 dose 38 (17.6) 32 (16.8)  
 2 doses 162 (75.0) 145 (75.9)  
 Missing 8 (3.7) 4 (2.1)  
Vaccinal status (binary)    0.90
 Complete 161 (74.5) 144 (75.4)  
 Incomplete 38 (17.6) 32 (16.8)  
 Missing 17 (7.9) 15 (7.9)  
BMI    0.22
 BMI < 18.5 2 (0.9) 4 (2.1)  
 18.5 ≤ BMI ≤ 25 149 (69.0) 116 (60.7)  
 25 ≤ BMI ≤ 30 44 (20.4) 49 (25.7)  
 BMI > 30 14 (6.5) 18 (9.4)  
 Missing 7 (3.2) 4 (2.1)  
Vulnerability    0.52
 No 199 (92.1) 157 (82.2)  
 Yes 11 (5.1) 12 (6.3)  
 Missing 6 (2.8) 22 (11.5)  
  1. BMI body mass index
  2. *Not enough events for statistical comparison
  3. $Legal requirement to attend congress was 7 days after 2 doses or PCR test less than 2 days, explaining medium rate of 2 doses vaccination status
  4. Missing data not included in statistical analysis