Table 1.
Comparison of perioperative characteristics of included patients between the two groups by propensity score matching analysis
|
Variables
|
Unmatched
|
P value
|
Matched
|
P value
|
||
|
PSE group, n = 40
|
Non-PSE group, n = 281
|
PSE group, n = 23
|
Non-PSE group, n = 23
|
|||
| Age in yr | 33.95 ± 12.21 | 35.07 ± 14.74 | 0.65 | 33.57 ± 13.56 | 34.04 ± 12.23 | 0.90 |
| Sex, n (%) | 0.12 | 0.57 | ||||
| Male | 17 | 156 | 12 | 10 | ||
| Female | 23 | 125 | 11 | 13 | ||
| Etiology of cirrhosis, n (%) | 0.88 | 0.30 | ||||
| HLD cirrhosis | 34 | 222 | 19 | 17 | ||
| HBV cirrhosis | 4 | 48 | 3 | 4 | ||
| HCV cirrhosis | 1 | 3 | 1 | 1 | ||
| Schistosomiasis cirrhosis | 0 | 1 | 0 | 0 | ||
| Alcoholic cirrhosis | 0 | 2 | 0 | 0 | ||
| Autoimmunity cirrhosis | 1 | 3 | 0 | 1 | ||
| Unknown | 0 | 1 | ||||
| The size of spleen in mm | ||||||
| Length of spleen | 161.85 ± 21.26 | 171.21 ± 26.74 | 0.04 | 170.13 ± 15.64 | 163.00 ± 25.33 | 0.26 |
| Thickness of spleen | 66.45 ± 11.03 | 73.06 ± 16.91 | 0.02 | 69.74 ± 8.77 | 64.43 ± 15.88 | 0.17 |
| The diameter of portal vein system in cm | ||||||
| Portal vein | 1.35 ± 0.16 | 1.41 ± 0.24 | 0.15 | 1.38 ± 0.19 | 1.28 ± 0.17 | 0.50 |
| Splenic vein | 1.24 ± 0.21 | 1.23 ± 0.24 | 0.71 | 1.23 ± 0.23 | 1.13 ± 0.17 | 0.10 |
| Preoperative blood examination | ||||||
| WBC as 109/L | 2.69 ± 1.05 | 3.13 ± 2.08 | 0.19 | 2.51 ± 1.09 | 3.12 ± 2.44 | 0.28 |
| RBC as 1012/L | 3.76 ± 0.37 | 3.91 ± 0.65 | 0.16 | 3.77 ± 0.43 | 3.58 ± 0.54 | 0.18 |
| HGB in g/L | 106.40 ± 18.31 | 109.75 ± 18.71 | 0.29 | 103.61 ± 16.80 | 104.96 ± 15.08 | 0.75 |
| PLT as 109/L | 66.35 ± 30.04 | 50.03 ± 28.68 | 0 | 59.26 ± 29.86 | 59.04 ± 48.48 | 0.99 |
| TBIL in μmol/L | 34.54 ± 25.58 | 22.98 ± 15.61 | 0 | 30.09 ± 26.63 | 28.14 ± 22.13 | 0.79 |
| ALT in U/L | 30.20 ± 13.31 | 29.01 ± 17.01 | 0.67 | 28.74 ± 13.03 | 28.96 ± 21.20 | 0.97 |
| AST in U/L | 38.00 ± 16.13 | 30.00 ± 11.44 | 0 | 33.57 ± 11.18 | 35.48 ± 17.46 | 0.66 |
| ALB in g/L | 35.04 ± 3.42 | 37.60 ± 4.60 | 0 | 34.77 ± 3.07 | 34.98 ± 3.98 | 0.84 |
| PT in s | 14.95 ± 3.44 | 14.70 ± 2.43 | 0.57 | 15.08 ± 3.49 | 14.30 ± 2.26 | 0.37 |
| D-dimer in mg/L | 1.46 ± 4.28 | 0.67 ± 0.83 | 0.01 | 0.47 ± 0.26 | 0.56 ± 0.54 | 0.47 |
| Operation, n (%) | ||||||
| Splenectomy only | 18 | 237 | 0 | 11 | 11 | 1 |
| Concomitant pericardial devascularization | 22 | 44 | 12 | 12 | ||
| Intraoperative outcomes | ||||||
| Intraoperative blood loss in mL | 399.50 ± 240.76 | 267.36 ± 161.07 | 0 | 450.00 ± 268.40 | 250.13 ± 129.02 | 0 |
| Operation time in min | 202.98 ± 36.38 | 181.64 ± 36.57 | 0.01 | 220.09 ± 35.41 | 189.78 ± 37.42 | 0.01 |
| Postoperative complications, n (%) | ||||||
| PVT | 14 | 107 | 0.71 | 8 | 6 | 0.53 |
| PPF | 6 | 27 | 0.30 | 4 | 4 | 1 |
| Abdominal hemorrhage | 3 | 6 | 0.06 | 2 | 3 | 0.65 |
| Hospital stay in d | 17.10 ± 4.42 | 13.99 ± 3.57 | 0 | 16.70 ± 4.18 | 13.52 ± 2.25 | 0 |
ALB: Albumin; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; HBV: Hepatitis B virus; HCV: Hepatitis C virus; HGB: Hemoglobin; HLD: Hepatolenticular degeneration; PLT: Platelet; PPF: Postoperative pancreatic fistula; PSE: Partial splenic embolization; PSM: Propensity score matching; PT: Prothrombin time; PVT: Portal vein thrombosis; RBC: Red blood cell; TBIL: Total bilirubin; WBC: White blood cell.