Table 4.
Characteristics of patients in malnutrition risk group and normal nutrition group according to the modified NRS.
| Malnutrition risk group (n = 194) | Normal nutrition group (n = 484) | Total (n = 678) | Z/X2 | P | |
|---|---|---|---|---|---|
| Age (years) | 65.00 (56.00, 72.00) | 56.00 (44.00, 64.00) | 62.00 (53.00, 70.00) | −8.074 | <0.001 |
| Male, n (%) | 263.0 (54.30%) | 80.00 (41.20%) | 343.0 (50.60%) | 9.510 | 0.002 |
| Death n (%) | 67.00 (13.80%) | 1.000 (0.5000%) | 68.00 (10.00%) | 27.26 | <0.001 |
| BMI (kg/m2) | 23.45 (21.63, 25.46) | 24.15 (22.07, 26.18) | 23.56 (21.68, 25.64) | −2.395 | 0.017 |
| Length of hospital stay (days) | 29.00 (21.00, 40.00) | 23.00 (17.00, 32.00) | 27.00 (19.75, 39.00) | −4.968 | <0.001 |
| Chronic respiratory disease, n (%) | 47.00 (9.700%) | 4.000 (2.100%) | 51.00 (7.500%) | 11.64 | 0.001 |
| Hypertension, n (%) | 182.0 (37.60%) | 59.00 (30.40%) | 241.0 (35.50%) | 3.126 | 0.077 |
| Malignancy, n (%) | 36.00 (7.400%) | 5.000 (2.600%) | 41.00 (6.000%) | 5.759 | 0.016 |
| Diabetes, n (%) | 104.0 (21.50%) | 19.00 (9.800%) | 123.0 (18.10%) | 12.75 | <0.001 |
| Renal inadequacy, n (%) | 18.00 (3.700%) | 4.000 (2.100%) | 22.00 (3.200%) | 1.211 | 0.271 |
| Coronary heart disease, n (%) | 67.00 (13.80%) | 16.00 (8.200%) | 83.00 (12.20%) | 4.036 | 0.045 |
| Albumin (g/L) | 31.85 (28.40, 34.70) | 38.55 (36.80, 40.92) | 34.20 (29.90, 37.72) | −16.30 | <0.001 |
| Prealbumin (mg/L) | 201.9 (127.0, 269.7) | 280.2 (230.3, 331.7) | 230.5 (148.4, 292.0) | −9.641 | <0.001 |
| Severity of disease, n (%) | 95.32 | <0.001 | |||
| Mild cases | 26.00 (5.400%) | 28.00 (14.40%) | 54.00 (8.000%) | ||
| Moderate cases | 253.0 (52.30%) | 156.0 (80.40%) | 409.0 (60.30%) | ||
| Severe cases | 94.00 (19.40%) | 10.00 (5.20%) | 104.0 (15.30%) | ||
| Critical cases | 111.0 (22.90%) | 0 (0.0%) | 111.0 (16.40%) |
Values are median (IQR) unless otherwise indicated.
BMI, body mass index.