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Comparison of Types of IPOM
            Table 1: Age of patients who had IPOM
                                      N        Minimum    Maximum      Mean     Std. deviation    Skewness
                                    Statistic   Statistic  Statistic  Statistic   Statistic  Statistic  Std. error
             Age                      100        20          80        50.50      14.403      0.139      0.241
             Valid N (listwise)       100

            Table 2: Age-group frequency
                                                  Frequency         Percent        Valid percent  Cumulative percent
             Valid                 11–20              1               1.0              1.0              1.0
                                   21–30              5               5.0              5.0              6.0
                                   31–40             19              19.0             19.0             25.0
                                   41–50             28              28.0             28.0             53.0
                                   51–60             20              20.0             20.0             73.0
                                   61–70             15              15.0             15.0             88.0
                                   71–80             12              12.0             12.0            100.0
                                                     100             100.0           100.0


               A small hernia defect is less than 4 cm. A 4–10 cm defect   Table 3: Sex distribution according to mesh used at IPOM
            represents a medium hernia, while greater than 10 cm fascial defect   Male (n = 35)  Female (n = 65)
            indicates a large hernia. A high BMI is body mass index greater
                      2
            than 30 kg/m .                                             Mesh type                  Mesh type
               Current concepts in mesh implants include the newer meshes:   PPV  Composite  PPV       Composite
            surgisis, alloderm, and proceed. Surgisis is porcine intestinal    20  15       30             35
            submucosa. It is a collagen biomatrix, naturally occurring and
            acellular with 18 months shelf life. It supports the surgical site, while
            the body’s natural healing process replaces the graft with new
            host tissue. Alloderm is biological dermal matrix from processed
            donated human tissue. Proceed is soft polypropylene mesh covered
            with polydioxanone sulfate and oxidized regenerated cellulose
            fabric.

            MAterIAls And Methods
            This study of IPOM in our hospital: the University of Medical Science
            Teaching Hospital and the State Specialist Hospital, Okitipupa,
            Ondo state, Nigeria. Data were collected and analyzed using SPSS
            version 22.


            results
            Analysis of data was done on demographics, and categorical data   Fig. 1: Age-group frequency
            were compared using the Chi-square test. Qualitative variables
            were represented as percentages. p values of less than 0.05 were
            considered as statically significant.
               A total of 100 patients had mesh hernioplasty by IPOM between
            January 2013 and January 2020.
               Seventy patients (70%) presented with congenital (primary)
            hernia, while 30 patients (30%) presented with incisional hernia.
               Sixty-five patients (65%) had open procedure, while 35 (35%)
            had laparoscopic repair.
               Sixty-five patients (65%) were female, while 35 (35%) were male,
            giving a male to female ration 1:1.86. Twenty-eight patients (28%)
            were in the age range of 41–50 years, and the overall age range is
            11–80 years as shown in Figures 1 and 2 and Tables 1 to 3.
               The mean age is 50.5 ± 14.4 years. The median follow-up was
            48 months. Fifty patients (50%) had hernia repair using PPV, while
            50 patients also (50%) had hernia repair using composite mesh.   Fig. 2: Showing gender of patients that had IPOM

            104   World Journal of Laparoscopic Surgery, Volume 15 Issue 2 (May–August 2022)
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