Table 2.
Mesh (weeks) | Average tissue reaction scoreb | Average width of inflammatory response [μm±(1 SD)] | Average width of fibrotic response [μm±(1 SD)] |
---|---|---|---|
Ch-PPM | |||
2 | 34 (5.0) | 657 (323.1) | 269 (86.3) |
4 | 32 (11.4) | 162 (137.3) | 440 (183.2) |
12 | 35 (3.3) | 426 (137.9) | 122 (40.9) |
PPM | |||
2 | 33 (0) | 575 (36.8) | 185 (2.8) |
4 | 31 (7.8) | 174 (167.0) | 461 (129.1) |
12 | 45 (11.1) | 535 (245.9) | 235 (179.60) |
Col-PPM | |||
2 | 43 (10.1) | 1150 (1149.5) | 1468 (856.5) |
4 | 27 (5.0) | 57 (19.9) | 272 (104.3) |
12 | 46 (12.5) | 549 (181.8) | 143 (40.6) |
Scores, width of the inflammatory reaction and the width of the fibrotic response (scar) for each time point were averaged and the mean rounded to obtain the final result (one SD).
Tissue reaction scores.
0=normal; 1–10=minimal; 11–25=mild; 26–40=moderate; >40=severe.
Ch-PPM, chitosan coating on a polypropylene mesh; SD, standard deviation.