Research Article

Characteristics of Obese Patients with Acute Hypercapnia Respiratory Failure Admitted in the Department of Pneumology: An Observational Study of a North African Population

Table 2

Laboratory data of patients at admission.

Specimens
, %
Total sample
()
Nm-OHS
()
M-OHS
()

Glucose serum level, mmol/l (median, IQR)43 (97.7)6.9 (2.7–27.9)6.9 (2.7–24)6.8 (4.7–27.9)0.65
BUN, mmol/l (median, IQR)43 (97.7)8.4 (2.7–35)8.7 (2.7–19.6)8.4 (4.2–35)0.89
Serum creatinine level, μmol/l (median, IQR)44 (100)89.5 (42.7–281)85 (42.7–183)93 (47–281)0.24
Creatinine clearance, ml/min (mean, SD)44 (100)67.1 (29.4)69.9 (27.9)61.6 (32.5)0.38
AST, U/l (median, IQR)42 (95.5)15.5 (2–67)16.5 (2–44)14 (8–67)0.94
ALT, U/l (median, IQR)42 (95.5)16 (6–49)16 (6–49)17 (6–42)0.63
HB, g/dl (median, IQR)44 (100)12.9 (6.6–21.2)13.4 (6.6–21.2)12.5 (10.7–16.1)0.52
Hematocrit, %44 (100)41.5 (30.7–65)42.7 (7.3)41.6 (4.4)0.57
PLQ, e/ml (mean, SD)44 (100)228.84 (60.157)226.48 (66.180)233.40 (48.186)0.72
WBC, e/ml (mean, SD)44 (100)8.911 (2.502)8.596 (2.762)9.520 (1.837)0.25
Troponin, μg/L (median, IQR)36 (81.8)0.03 (0–64)0.02 (0–0.54)0.04 (0.0–64)0.4
Pro-BNP, pg/mL (median, IQR)30 (68.2)267 (18–7414)135 (18–2524)500 (30.3–7414)0.2
CRP, mg/L (median, IQR)40 (90.9)9.5 (2–356)9 (2–62)16.9 (5–356)0.48
TSH, mUI/L (median, IQR)23 (52.3)2.1 (0.25–9.95)1.82 (0.45–5.66)2.11 (0.25–9.95)0.78
Serum protein, g/l (mean, SD)22 (50)72.7 (6.2)74.3 (6.3)70.3 (5.6)0.15
pH (median, IQR)44 (100)7.33 (7.20–7.35)7.33 (7.20–7.35)7.33 (7.27–7.35)0.5
PaCO2, mmHg (median, IQR)44 (100)59.6 (46–97.2)59 (48.5–97.2)61 (46–86.3)0.59
PaO2, mmHg (median, IQR)44 (100)60 (34–149)60 (34–90)61 (40–149)0.98
HCO3-, mmol/l (mean, SD)44 (100)32 (5.1)31.8 (5)32.2 (5.4)0.83
SaO2, % (median, IQR)44 (100)87.1 (55.7–99)86.3 (55.7–99)87.9 (67–99)0.79

Nm-OHS: nonmalignant obesity hypoventilation syndrome; M-OHS: malignant OHS; : value; IQR: interquartile range; SD: standard deviation; BUN: blood urea nitrogen; AST: aspartate aminotransferase; ALT: alanine aminotransferases; HB: hemoglobin; PLQ: platelet count; WBC: white blood cells; Pro-BNP: probrain natriuretic peptide; CRP: C-reactive protein; TSH: thyroid-stimulating hormone. : mean (standard deviation). : median (interquartile range). PaCO2: arterial partial pressure of carbon dioxide; PaO2: arterial partial pressure of oxygen; HCO3-: concentration of bicarbonate in arterial blood; SaO2: oxyhemoglobin saturation of arterial blood gas.