| Non-met-group (n = 73) Number (%) | Met-group (n = 115) Number (%) | Pa |
---|---|---|---|
Gender | |||
 Female | 28 (38.4%) | 42 (36.5) | 0.80 |
 Male | 45 (61.6%) | 73 (63.5%) |  |
Age | 67 (29–95) | 63 (37–92) | 0.26 |
Age class (years) | |||
 29–59 | 25 (34.2%) | 47 (40.9%) | 0.44 |
  ≥ 60 | 48 (65.8%) | 68 (59.1%) |  |
Clinical outcome | |||
 Mortality | 15 (20.5%) | 4 (3.5%) | 0.0002 |
Mortality by gender | |||
 Female | 9 (81.8%) | 2 (50%) | 1 |
 Male | 6 (75.0%) | 2 (50%) |  |
Mortality by age class | |||
 29–59 | 1 (6.7%) | 0 (0%) |  |
  ≥ 60 | 14 (19.18%) | 4 (3.48%) | 0.0006 |
Comorbidities | |||
 Obesity | 11 (15.1%) | 20 (17.4%) | 0.26 |
 Cardiopathy | 19 (26.0%) | 22 (19.1%) | 0.28 |
 Hypertension | 57 (78.1%) | 68 (59.1%) | 0.007 |
 COPD/pneumonia | 8 (11.0%) | 9 (7.8%) | 0.46 |
 Smoking/former smoking | 4 (5.5%) | 11(9.6%) | 0.41 |
 Neurological disease | 7 (9.6%) | 6 (5.2%) | 0.25 |
 CKD | 9 (12.3%) | 2 (1.7%) | 0.004 |
 Thyroid | 9 (12.3%) | 15 (13%) | 0.89 |
 Dyslipidemia | 33 (45.2%) | 37 (32.2%) | 0.07 |
 Neoplasia/immuno | 5 (6.8%) | 7 (6.1%) | 0.83 |
 Asthma | 1 (1.4%) | 3 (2.6%) | 0.56 |
 BMI | 29.42 ± 5.14 | 29.24 ± 5.28 | 0.16 |
In-hospital clinical characteristics | |||
 NEWS | 2 (0–11) | 2 (0–9.3) | 0.63 |
 Time of stay in ICU | 3 (0–94) | 2 (0–41) | 0.27 |
 Time of stay in nursery | 6 (0–39) | 7 (0–58) | 0.54 |
 Total hospitalization time | 10 (3–100) | 11 (2–65) | 0.57 |
 Time of MV | 0.0 (0–63); | 0.0 (0–26) | 0.09 |
 In-hospital metformin therapy | – | 115 (100%) | – |
 In-hospital max dose of metformin | – | 1249.13 ± 578.7 | – |
 In-hospital time of metformin therapy | – | 8.87 ± 9.24; | – |
 Pre-hospital metformin therapy | 19 (26%) | 97 (84.3%) | 0.000 |
 Pre-hospital metformin daily dose | 1235.3 ± 597.22 | 1127.01 ± 629.21 | 0.51 |
 In-hospital insulin therapy | 18 (24.7%) | 43 (37.4%) | 0.08 |
 In-hospital time of insulin therapya | 15.5 (1–98) | 3 (1–42) | 0.019 |
 Orotracheal intubation | 20 (27.4%) | 25 (22.5%) | 0.45 |
 Prisma | 11 (15.1%) | 4 (3.6%) | 0.011 |
 Prone | 4 (5.5%) | 3 (2.7%) | 0.4 |
 Vasoactive drugs | 19 (26%) | 18 16.2% | 0.1 |
 CLHO/HCQ | 12 (16.9%) | 13 (11.3%) | 0.27 |
 Dexamethasone/prednisolone | 65 (89.0%) | 104 (90.4%) | 0.75 |