Table 2 Demographic and clinical characteristics of patients in the validation set
Variables | Total (n = 238) | Non-MDRO (n = 207) | MDRO (n = 31) | P value |
|---|---|---|---|---|
Length of hospitalization (days) | 18.00 (10.00–29.00) | 17.00 (9.00–28.00) | 26.00 (15.00–45.00) | 0.004 |
Length of ICU stay (days) | 8.00 (5.00–14.00) | 8.00 (5.00–13.00) | 19.00 (11.00–30.00) | 0.013 |
APACHE II score | 15.00 (11.00–21.00) | 8.00 (5.00–13.00) | 11.00 (7.00–17.00) | < 0.001 |
Quantity of antibiotics (categories) | 1.00 (1.00–1.00) | 1.00 (1.00–1.00) | 1.00 (1.00–2.00) | < 0.001 |
Long-term bed rest, n (%) | 62 (26.10) | 40 (19.30) | 22 (71.00) | < 0.001 |
Antibiotics use before ICU, n (%) | 65 (27.30) | 46 (22.20) | 19 (61.30) | < 0.001 |
Invasive operation before ICU, n (%) | 36 (15.10) | 19 (9.20) | 17 (54.80) | < 0.001 |
Chronic lung disease | 27 (11.30) | 20 (9.70) | 29 (22.60) | 0.070 |
Hypoproteinemia, n (%) | 10 (4.20) | 7 (3.40) | 3 (9.70) | 0.250 |