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Table 3 Baseline characteristics of inpatients with MDR and susceptible infection or colonisation before and after PSM

From: Economic burden of antibiotic resistance in China: a national level estimate for inpatients

Baseline characteristics Before PSM After PSM
Susceptible MDR P-value Susceptible MDR P-value
Number of inpatients, n 3163 7368   3048 3048  
Age in year, median (Min–Max) 68 (0–100) 72 (0–102) < 0.000 68 (0–100) 70 (1–100) 0.955
Sex male, n (%) 1904 (60.2) 4168 (56.6) 0.001 1805 (59.2) 1815 (59.6) 0.794
Insurance, n (%) 2529 (80.0) 6122 (83.1) < 0.000 2469 (81.0) 2424 (79.5) 0.148
Number of diagnosis, median (Min–Max) 6 (1–36) 6 (1–37) < 0.000 6 (1–36) 6 (1–37) 0.945
CCI, median (Min–Max) 5 (1–37) 5 (1–39) < 0.000 5 (1–37) 5 (1–28) 0.626
Admission to ICU, n (%) 335 (10.6) 1133 (15.4) < 0.000 333 (10.9) 356 (11.7) 0.352
Surgery, n (%) 923 (29.2) 2239 (30.4) 0.215 899 (29.5) 965 (31.7) 0.067
Myocardial infraction, n (%) 92 (2.9) 197 (2.7) 0.499 87 (2.9) 95 (3.1) 0.547
Congestive heart failure, n (%) 620 (19.6) 1193 (16.2) < 0.000 577 (18.9) 569 (18.7) 0.793
Peripheral vascular disease, n (%) 45 (1.4) 93 (1.3) 0.507 43 (1.4) 48 (1.6) 0.597
Cerebrovascular diseases, n (%) 1428 (45.2) 3444 (46.7) 0.132 1392 (45.7) 1410 (46.3) 0.644
Dementia, n (%) 45 (1.4) 277 (3.8) < 0.000 45 (1.5) 45 (1.5) 1.000
Chronic pulmonary disease, n (%) 969 (30.6) 1451 (19.7) < 0.000 867 (28.4) 894 (29.3) 0.445
Connective tissue disease, n (%) 80 (2.5) 189 (2.6) 0.915 80 (2.6) 96 (3.2) 0.221
Mild liver disease, n (%) 109 (3.5) 321 (4.4) 0.030 109 (3.6) 104 (3.4) 0.727
Peptic ulcer disease, n (%) 69 (2.2) 199 (2.7) 0.121 68 (2.2) 71 (2.3) 0.797
Diabetes mellitus, n (%) 795 (25.1) 2137 (29.0) < 0.000 791 (26.0) 775 (25.4) 0.639
Diabetes mellitus with chronic complication, n (%) 112 (3.5) 293 (4.0) 0.286 112 (3.7) 108 (3.5) 0.784
Moderate to severe chronic kidney disease, n (%) 212 (6.7) 713 (9.68) < 0.000 212 (7.0) 194 (6.4) 0.355
Hemiplegia, n (%) 20 (0.6) 101 (1.4) 0.001 20 (0.7) 17 (0.6) 0.621
Solid tumor without metastases, n (%) 223 (7.1) 729 (9.9) < 0.000 223 (7.3) 216 (7.1) 0.729
Leukemia, n (%) 37 (1.2) 130 (1.8) 0.025 37 (1.2) 39 (1.3) 0.817
Malignant lymphoma, n (%) 24 (0.8) 85 (1.2) 0.066 24 (0.8) 22 (0.7) 0.767
Severe liver disease, n (%) 34 (1.1) 109 (1.5) 0.100 34 (1.1) 30 (1.0) 0.615
Metastasis tumor, n (%) 137 (4.3) 316 (4.3) 0.921 136 (4.5) 142 (4.7) 0.713
  1. MDR multi-drug resistant, CCI Chalson comorbidity index, ICU intensive care unit, PSM propensity score matching