Table 1 Characteristics of patients with high altitude pulmonary edema on admission (n%; x ± s; median (IQR))
From: Effect of furosemide in the treatment of high-altitude pulmonary edema
Non-furosemide group (n=64) | Furosemide group (n=209) | P Value | |
|---|---|---|---|
Mean age (years) | 35.64 ± 10.98 | 33.69 ± 10.87 | 0.212 |
Gender (male%) | 55.00 (85.94%) | 179.00 (85.65%) | 0.953 |
Body Mass Index (kg/m2) | 23.08 ± 1.42 | 22.81 ± 1.57 | 0.226 |
Altitude before entering the high altitude area (m) | 1246.00 ± 554.31 | 1219.65 ± 453.40 | 0.701 |
Altitude at the time of onset (m) | 3728.42 ± 70.49 | 3737.26 ± 130.48 | 0.604 |
Time of onset after entering high altitude area (day) | 4.19 ± 2.00 | 4.29 ± 1.94 | 0.708 |
Current smoker (%) | 15.00 (23.44%) | 53.00 (25.36%) | 0.756 |
Alcohol abuse (%) | 22.00 (34.38%) | 73.00 (34.93%) | 0.935 |
Past history | |||
Hypertension (%) | 3.00 (4.69%) | 7.00 (3.35%) | 0.618 |
Diabetes mellitus (%) | 2.00 (3.13%) | 8.00 (3.83%) | 0.793 |
Coronary heart disease (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Heart failure (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Cerebrovascular disease (%) | 0.00 (0.00%) | 1.00 (0.48%) | 1.000 |
Peripheral vascular disease (%) | 0.00 (0.00%) | 1.00 (0.48%) | 1.000 |
COPD (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Connective tissue disease (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Peptic ulcer (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Chronic Liver Disease (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Chronic renal failure (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Solid tumor (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Leukaemia (%) | 0.00 (0.00%) | 1.00 (0.48%) | 1.000 |
Lymphoma (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
HIV (%) | 0.00 (0.00%) | 0.00 (0.00%) | / |
Vital sign | |||
Body temperature (℃) | 36.60 ± 0.42 | 36.59 ± 0.48 | 0.918 |
Heart rate (beat per minute) | 98.95 ± 17.54 | 92.86 ± 17.47 | 0.015* |
Respiratory rate (breaths per minute) | 21.23 ± 1.83 | 21.05 ± 3.84 | 0.722 |
Systolic pressure (mmHg) | 117.02 ± 16.55 | 117.68 ± 17.27 | 0.785 |
Diastolic pressure (mmHg) | 81.25 ± 12.94 | 78.92 ± 12.74 | 0.204 |
Mean arterial pressure (mmHg) | 93.17 ± 12.88 | 91.84 ± 13.02 | 0.475 |
Laboratory index | |||
White blood cell (×109/l) | 9.51 ± 3.41 | 10.27 ± 4.01 | 0.169 |
C-reactive protein (µg/ml) | 8.00 (8.12) | 7.00 (6.50) | 0.435 |
Procalcitonin (ng/ml) | 0.24 ± 0.06 | 0.26 ± 0.07 | 0.032* |
Hemoglobin (g/l) | 151.88 ± 25.24 | 157.85 ± 22.49 | 0.072 |
Hematocrit (%) | 44.95 ± 7.09 | 46.95 ± 6.31 | 0.032* |
Platelet (×109/l) | 198.01 ± 69.28 | 236.57 ± 69.88 | < 0.001* |
Alanine aminotransferase (U/l) | 34.00 (26.75) | 28.00 (21.50) | 0.918 |
Total bilirubin (µmol/l) | 17.46 ± 12.35 | 17.96 ± 8.38 | 0.711 |
Albumin (g/l) | 43.67 ± 5.29 | 43.80 ± 5.49 | 0.861 |
Prealbumin (g/l) | 221.45 ± 68.90 | 213.07 ± 59.33 | 0.342 |
Serum creatinine (µmol/l) | 88.68 ± 25.64 | 85.40 ± 26.48 | 0.383 |
Blood urea nitrogen (mmol/l) | 6.32 ± 2.64 | 6.34 ± 2.17 | 0.942 |
Blood potassium (mmol/l) | 3.57 ± 0.39 | 3.73 ± 0.44 | 0.008* |
Blood glucose (mmol/l) | 6.11 ± 2.59 | 5.82 ± 1.89 | 0.328 |
D-dimer (mg/l) | 0.47 (0.38) | 0.48 (0.41) | 0.396 |
Potential of hydrogen | 7.43 ± 0.04 | 7.42 ± 0.05 | 0.255 |
PaO2 (mmHg) | 42.55 ± 6.69 | 42.86 ± 7.56 | 0.769 |
Oxygenation index | 202.60 ± 31.84 | 204.08 ± 35.99 | 0.769 |