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Sherif Z Kotb et al

                       TABLE 4: Correlation of laparoscopic finding and IOUS with preoperative imaging in LUSRFA group

             Items                      Group I (PRFA)        Group II  (LUSRFA)          Total
            Total number                     30                      33                    63
            Preoperative imaging:
            •  Candidate for RFA             30                      33                    63
            •  Not candidate                  0                       0                     0

            Laparoscopic finding:
            •  Candidate for RFA              –                      33                    33
            •  Not candidate                  –                       0                     0
            Laparoscopic and IOUS finding:
            •  Candidate for RFA              –                      30                    30
            •  Not candidate                  –                       3                     3


                                         TABLE 5: Early postoperative course (first one month)
            Items                        Group I (PRFA)   Group II (LUSRFA)     Total              P-value
            Total number                    30                30              60

            Hospitalization period:
            = Mean time (days)              3                 1.2             2.6                   0.048
            = Range (days)                  2-5               1-2             1- 5
            Procedure related complications
            1.  Port site hernia            0                 2  (6.67%)      2  (3.33%)
            2.  Skin burn                   4                 0               4                     0.048
            Early postoperative complications
            1.  Internal haemorrhage        4                 0                4                    0.021
            2.  Ascites                     10  (66.67%)      4  (13.3%)      14  (23.33%)          0.035
            3.  Acute liver failure         4  (13.33%)       0                4 (6.67%)            0.048
            4.  Liver abscess               2  (6.67%)        2  (6.67%)       4  (6.67%)
            5.  Pleural effusion            4  (13.33%)       0                4 (6.67%)            0.048
            Early hospital mortality        4  (13.33%)       0               4 (6.67%)             0.048





                                                 TABLE 6: Tumor volume response
            Response                      Group I (PRFA)              Group II  (LUSRFA)           P-value

            Number                             30                           30
            Partial response                 2  (6.6%)                    4 (13.3%)
            Minor response                  18  (60%)                     22 (73.3%)
            Stable disease                   4  (13.3%)                   4 (13.3%)
            Progressive disease              6  (20.0%)                   0
            Overall response                20  (66.6%)                   26 (86.6%)
            Mean tumor volume:
                              3
            •  Before treatment (cm )       3.13 ± 0.8                    3.90 ± 1.0                0.085
                             3
            •  After treatment (cm )        2.74 ± 0.7                    2.73 ± 0.9




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