Table 1.

Characteristics of participants classified as physically active and sedentary

Clinical characteristics	Active (n = 14)	Sedentary (n = 25)	p
Age (y)	67.36 ± 5.90	66.48 ± 5.33	0.52
Weight (kg)	82.14 ± 9.73	79.40 ± 12.30	0.48
Height (m)	1.69 ± 0.08	1.70 ± 0.07	0.69
BMI (kg.m−2)	28.71 ± 3.06	27.40 ± 4.05	0.16
HR (bpm)	75.86 ± 12.60	85.27 ± 14.24	0.05
RR (bpm)	19.85 ± 2.12	23.42 ± 7.70	0.27
SBP (mmHg)	132.00 ± 18.60	129.27 ± 23.18	0.47
DBP (mmHg)	81.00 ± 10.16	84.41 ± 12.69	0.51
Body temperature (ºC)	36.28 ± 0.53	36.44 ± 0.63	0.52
Comorbidities
0 (%)	4 (28.57)	11 (44.00)	0.18
1–2 (%)	10 (71.63)	11 (44.00)
3+ (%)	0 (0.00)	3 (12.00)
Most common comorbidities
Hypertension (%)	7 (50.00)	10 (40.00)	0.55
Diabetes (%)	5 (37.70)	6 (24.00)	0.46
Oxygen therapy admission
Room air (%)	4 (28.57)	6 (24.00)	0.64
Nasal cannula (%)	5 (35.71)	5 (20.00)
Non-rebreather mask (%)	4 (28.57)	11 (44.00)
Invasive ventilation (%)	1 (7.14)	3 (12.00)
Laboratorial exams
SaO2 (%)	93.54 ± 3.30	94.49 ± 4.15	0.09
pH	7.41 ± 0.05	7.43 ± 0.06	0.44
pO2 (mmHg)	69.55 ± 10.47	74.31 ± 17.56	0.44
pCO2 (mmHg)	34.09 ± 4.89	33.45 ± 4.35	0.63
HCO3 (mEq/L)	21.73 ± 2.79	22.02 ± 2.57	0.83
C-reactive protein (mg/L)	15.08 ± 11.18	15.49 ± 10.45	0.92
d-dimer (ug/ml)	2.18 ± 2.71	2.25 ± 2.80	0.68
Creatinine (mg/dL)	1.01 ± 0.29	1.32 ± 1.24	0.44
Urea (mg/dL)	57.36 ± 22.27	61.64 ± 42.81	0.78
Potassium (mEq/L)	4.50 ± 0.20	4.30 ± 0.56	0.04*
Sodium (mEq/L)	135.93 ± 2.84	136.84 ± 3.94	0.45
Hemoglobin (g/dL)	13.89 ± 1.72	13.59 ± 2.08	0.65
Leukocytes (1000/µl)	8.15 ± 3.49	8.83 ± 3.34	0.63
Platelets (1000/µl)	249.85 ± 96.23	230.00 ± 68.13	0.29

Values in mean ± standard deviation or frequency

BMI body mass index, HR heart rate, RR respiratory rate, SBP systolic blood pressure, DBP diastolic blood pressure

*p < 0.05