Table 1.
Comparisons of preoperative variables between the two groups before and after propensity score matching.
| Variables | Before matching | P value | After matching | P value | ||
|---|---|---|---|---|---|---|
| Ertapenem | Non-ertapenem | Ertapenem | Non-ertapenem | |||
| (n=78) | (n=197 ) | (n= 65) | (n=65 ) | |||
| Age (year) | 55.03 ± 10.24 | 55.84 ± 9.91 | 0.545 | 55.54 ± 10.11 | 54.11 ± 10.79 | 0.437 |
| Gender (male/female) | 60/18 | 159/38 | 0.482 | 49/16 | 54/11 | 0.28 |
| BMI (kg/m2) | 23.27 ± 3.09 | 22.98 ± 2.78 | 0.448 | 23.09 ± 3.15 | 23.16 ± 2.90 | 0.893 |
| ASA grade, I/II/III | 55/21/2 | 161/29/7 | 0.06 | 47/16/2 | 52/11/2 | 0.555 |
| Virus hepatitis, positive/negative | 72/6 | 176/21 | 0.456 | 59/6 | 57/8 | 0.571 |
| Diabetes mellitus, yes/no | 5/73 | 23/174 | 0.193 | 5/60 | 7/58 | 0.545 |
| COPD, yes/no | 4/74 | 22/175 | 0.123 | 4/61 | 2/63 | 0.403 |
| Smoking history, yes/no | 40/38 | 94/103 | 0.594 | 32/33 | 35/30 | 0.599 |
| Preoperative TACE/RFA, yes/no | 8/70 | 16/181 | 0.572 | 7/58 | 7/58 | 1 |
| Preoperative intestinal lavage, yes/no | 5/73 | 25/172 | 0.132 | 5/60 | 5/60 | 1 |
| Repeat hepatectomy, yes/no | 4/74 | 16/181 | 0.389 | 4/61 | 5/60 | 0.73 |
| WBC(109/L) | 5.67 ± 2.05 | 5.67 ± 1.95 | 1 | 5.40 ± 2.01 | 5.72 ± 1.78 | 0.346 |
| Hemoglobin (g/dL) | 139.34 ± 21.90 | 140.45 ± 19.71 | 0.683 | 138.42 ± 23.06 | 141.35 ± 19.20 | 0.432 |
| Platelet count (×104/μL) | 16.12 ± 7.64 | 15.63 ± 7.11 | 0.614 | 15.72 ± 7.47 | 16.05 ± 7.77 | 0.805 |
| Prothrombin time ( %) | 12.52 ± 1.18 | 12.11 ± 1.20 | 0.011∗ | 12.46 ± 1.25 | 12.48 ± 1.26 | 0.917 |
| Albumin (g/dL) | 41.34 ± 4.63 | 40.72 ± 4.43 | 0.304 | 41.14 ± 4.79 | 41.26 ± 4.22 | 0.878 |
| ALT (IU/L) | 27.56 ± 11.72 | 30.36 ± 15.99 | 0.161 | 28.01 ± 12.19 | 29.58 ± 12.69 | 0.472 |
| AST (IU/L) | 34.81 ± 21.19 | 37.47 ± 43.25 | 0.605 | 36.28 ± 22.77 | 36.12 ± 31.14 | 0.974 |
| Total bilirubin (mg/dL) | 0.84 ± 0.44 | 0.87 ± 0.47 | 0.568 | 0.85 ± 0.47 | 0.77 ± 0.4431 | 0.262 |
| Child-Pugh classification, A/B | 71/7 | 173/24 | 0.448 | 58/7 | 62/3 | 0.188 |