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Table 1 Clinical characteristics of the SOCCS cohort

From: The simple observational critical care studies: estimations by students, nurses, and physicians of in-hospital and 6-month mortality

Variable Patients in SOCCS
N = 827
Age, years (SD) 60 (16)
Sex, male (%) 506 (61)
BMI, kg/m2 (SD) 26 (5)
Diabetes mellitus, n (%) 147 (18)
Liver cirrhosis, n (%) 39 (5)
Mechanical ventilation at inclusion, n (%) 428 (52)
SAPS II, score (SD)a 41 (17)
APACHE IV, score (SD)a 70 (31)
Central circulation  
Respiratory rate, per minute (SD) 18 (6)
Heart rate, beats per minute (SD) 90 (23)
Systolic blood pressure, mmHg (SD) 118 (28)
Diastolic blood pressure, mmHg (SD) 62 (13)
Mean arterial pressure, mmHg (SD) 81 (21)
Use of vasopressors at inclusion, n (%) 376 (45)
Organ perfusion  
Consciousness  
Alert, n (%) 548 (67)
Reacting to voice, n (%) 102 (12)
Reacting to pain, n (%) 17 (2)
Unresponsive, n (%) 152 (19)
Central temperature, °C (SD) 37 (1)
Temperature dorsum foot, °C (SD) 30 (3)
Cold extremities, subjective, n (%) 252 (32)
Capillary refill time sternum, s (SD) 3 (1)
Capillary refill time knee, s (SD) 3 (2)
Skin mottling severityb  
Mild (0–1) 638 (9%)
Moderate (2–3) 72 (10%)
Severe (4–5) 5 (< 1%)
  1. SD, standard deviation; BMI, body mass index; APACHE IV, acute physiology, and chronic health evaluation
  2. aClinical risk scores were calculated after the termination of the study and were not available for the researcher at the time of estimation
  3. bMottling was scored according to Ait-Ouffella et al. [35]