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Table 1 Patients’ characteristics

From: Effects of wearing surgical masks on fraction of inspired oxygen in spontaneously breathing patients: improving safety for frontline healthcare professionals under pandemic situations

n 99
Sex (M/F) 33/66
Mean age, years 58.4 ± 17.6
Mean height, cm 167.6 ± 7.0/154.9 ± 6.6
Mean weight, kg (M/F) 68.4 ± 10.4/54.1 ± 9.7
ASA physical status I/II 19/80
Mean baseline SpO2, % 98.9 ± 1.5
  1. Data are presented as mean ± standard deviation
  2. M male, F female, ASA American Society of Anesthesiologists, SD standard deviation