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Table 1 Baseline demographic and clinical data of the study groups

From: The effect of omega-3 fatty acid supplementation on clinical and biochemical parameters of critically ill patients with COVID-19: a randomized clinical trial

  Interventions (n = 28) Controls (n = 73) P
Age y 66 (14.58) 64 (14.25) 0.12
Males n (%) 15 (53.60) 45 (61.60) 0.46
Weight kg 77.39 (21.12) 75.09 (7.26) 0.58
Height meter 1.67 (7.28) 1.66 (6.42) 0.39
BMI kg/m2 27.68 (7.54) 27.39 (3.15) 0.85
APACHE II 15.54 (1.73) 15.42 (1.92) 0.78
Blood group n (%)
 A 13 (50) 24 (34.3) 0.14
 B 3 (11.5) 16 (22.9)
 AB 1 (3.8) 0
 O 9 (34.6) 30 (42.9)
Addiction n (%)
 Yes 1 (3.6) 6 (8.6) 0.39
 No 27 (96.4) 64 (91.4)
Tobacco n (%)
 Yes 2 (7.1) 5 (7.1) 1
 No 26 (92.9) 65 (92.9)
Underlying disease n (%)
 Yes 14 (50) 28 (40) 0.57
 No 14 (50) 41 (60.2)
1 month survival rate 5 (21) 2 (3) 0.005
Blood glucose mg/mL 148.98 (10.00) 152.41 (8.71) 0.15
Na mEq/L 138.48 (3.47) 139.32 (1.74) 0.11
K mEq/L 4.03 (0.1) 4.00 (0.1) 0.51
BUN mg/mL 37.06 (4.14) 35.17 (4.10) 0.96
Cr mg/mL 1.33 (0.25) 1.29 (0.24) 0.76
Alb g/dL 3.02 (0.14) 3.35 (0.39) 0.44
Hct % 31.88 (0.61) 29.65 (0.66) 0.59
Ca mg/dL 7.96 (0.22) 7.65 (0.12) 0.80
P mg/dL 3.30 (0.21) 3.33 (0.19) 0.87
MAP mmHg 74.23 (1.64) 74.42 (1.74) 0.97
O2 sat. % 84.47 (1.93) 77.79 (1.80) 0.16
Arterial pH 7.27 (0.01) 7.30 (0.01) 0.15
PO2 mmHg 68.93 (3.72) 67.72 (3.97) 0.53
PCO2 mmHg 45.20 (2.41) 43.53 (2.03) 0.06
HCO3 mEq/L 21.11 (1.13) 22.00 (1.19) 0.91
Be mEq/L − 4.97 (1.04) − 3.59 (1.05) 0.11
WBC 106/L 14.26 (1.12) 20.47 (3.83) 0.40
Neutrophil 106/L 86.54 (0.74) 86.76 (0.94) 0.22
Lymphocyte 106/L 11.59 (0.55) 13.26 (0.81) 0.01
Monocyte 106/L 2.12 (0.26) 1.67 (0.28) 0.11
GCS 8.37 (0.22) 7.90 (0.20) 0.09
Hb g/dL 10.32 (0.28) 9.50 (0.26) 0.07
Plt 248.69 (16.27) 187.91 (16.18) 0.07
Ptt second 38.90 (2.20) 43.07 (2.52) 0.10
Urine volume mL/day 1572.60 (201.15) 1803.44 (180.29) 0.05
Number of dialysis days 0.26 (0.66) 0.19 (0.72) 0.67
Number of insulin injection days 0.26 (0.71) 0.07 (0.50) 0.23
  1. Data are mean (SD) for quantitative variables and number (%) for categorical variables
  2. sBMI  body mass index, APACHE II  acute physiologic assessment and chronic health evaluation II, Na  sodium, K  potassium, BUN  blood urea nitrogen, Cr  creatinine, Alb  albumin, HCT  hematocrit, Ca  calcium, P phosphorus, MAP  mean arterial pressure, O2 sat.  oxygen saturation, pH  potential hydrogen, PO2  partial pressure of oxygen, PCO2  partial pressure of carbon dioxide, HCO3  bicarbonate, Be  base excess, WBC  white blood cell, GCS  glasgow coma score, Hb  hemoglobin, Plt  platelet, Ptt  partial thromboplastin time (test)