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Table 1 Cohort description of patient characteristics at hospital admission, by event type

From: Probabilities of ICU admission and hospital discharge according to patient characteristics in the designated COVID-19 hospital of Kuwait

   Number of Number of Number of
   individuals individuals who individuals who
   (column %) entered the ICU got discharged
    (column %) (column %)
Total   3995 (100) 315 (8) 3619 (90.5)
Age group, years 0-17 291 (7.28) 2 (0.63) 288 (7.96)
  18-39 1648 (41.25) 26 (8.25) 1600 (44.21)
  40-49 809 (20.25) 75 (23.81) 721 (19.92)
  50-59 652 (16.32) 92 (29.21) 548 (15.14)
  60-69 418 (10.46) 75 (23.81) 333 (9.2)
  70-79 140 (3.5) 36 (11.43) 101 (2.79)
  80+ 37 (0.93) 9 (2.86) 28 (0.77)
Gender Male 2814 (70.44) 265 (84.13) 2500 (69.08)
  Female 1181 (29.56) 50 (15.87) 1119 (30.92)
BMI <18.5 92 (2.3) 1 (0.32) 90 (2.49)
  18.5-24.9 688 (17.22) 35 (11.11) 642 (17.74)
  25-29.9 836 (20.93) 63 (20) 757 (20.92)
  30-34.9 (obese class I) 402 (10.06) 44 (13.97) 354 (9.78)
  35-39.9 (obese class II) 159 (3.98) 19 (6.03) 138 (3.81)
  ≥40 (obese class III) 81 (2.03) 9 (2.86) 72 (1.99)
  Missing 1737 (43.48) 144 (45.71) 1566 (43.27)
Smoker No 2129 (53.29) 157 (49.84) 1927 (53.25)
  Yes 140 (3.5) 8 (2.54) 127 (3.51)
  Missing 1726 (43.2) 150 (47.62) 1565 (43.24)
Nationality Non Kuwaiti 2356 (58.97) 217 (68.89) 2103 (58.11)
  Kuwaiti 1639 (41.03) 98 (31.11) 1516 (41.89)
Hypertension   778 (19.47) 138 (43.81) 628 (17.35)
Diabetes   730 (18.27) 130 (41.27) 591 (16.33)
CVD   194 (4.86) 54 (17.14) 134 (3.7)
CKD   72 (1.8) 20 (6.35) 49 (1.35)
COPD   17 (0.43) 4 (1.27) 12 (0.33)
Cancer   56 (1.4) 9 (2.86) 44 (1.22)
Asthma   235 (5.88) 31 (9.84) 200 (5.53)
Immunodeficiency   11 (0.28) 2 (0.63) 8 (0.22)
Immunosuppression   14 (0.35) 4 (1.27) 10 (0.28)
Admission date 24/02/20 to 11/05/20 3243 (81.18) 199 (63.17) 2998 (82.84)
  12/05/20 to 27/05/20 752 (18.82) 116 (36.83) 621 (17.16)
  1. Characteristics of censored individuals are not reported separately but included in the total
  2. *row percentage (%); 1.5% are censored