Table 1.
Studies describing the patients of IPN
| Author | sex | Gest. age | Weight | Age at onset | Age at surgery | Abd. distension | Gastric residue | Bloody stools | Abd. Mass | Location | Perforation | Outcome |
| Spencer et al [3] | F | 28 | Not given | Not given | Died preop | Yes | No | No | No | Ileum | Yes | Died |
| Yoo et al [4] | M | 34 | 2140 | 2 | 2 | Yes | Yes | No | No | Ileocolic | Yes | Survived |
| Stine et al [5] | F | 28 | 970 | 6 | 33 | Yes | Yes | Yes | No | Ileum | No | Survived |
| Smith et al [6] | F | 29 | 910 | 21 | 43 | Yes | Yes | Yes | No | Ileum | No | Survived |
| Glick et al [7] | M | 28 | 1070 | 14 | 17 | Yes | No | Yes | Yes | Ileum | Yes | Survived |
| Carman et al [8] | M | 25 | 740 | 9 | 15 | Yes | Yes | Yes | No | Ileum | No | Survived |
| Blair et al [9] | M | 26 | 720 | 8 | 11 | Yes | Yes | No | No | Ileocolic | Yes | Survived |
| Rausin et al [10] | F | 29 | 1080 | 5 | 8 | No | Yes | No | No | ileum | Yes | Survived |
| Farstad et al [11] | M | 27 | 1160 | 4 | 14 | Yes | No | No | No | Ileum | No | Survived |
| M | 24 | 720 | 14 | 28 | Yes | Yes | No | No | Ileum | Yes | Died | |
| Price et al [12] | M | 26 | 765 | 15 | 54 | Yes | Yes | Yes | Yes |
Jejunum Jejunum |
Yes | Survived |
| M | 30 | 1240 | 4 | 6 | Yes | Yes | Yes | No | Yes | Survived | ||
| Author | sex |
Gest. age |
Weight | Age at onset | Age at surgery | Abd. distension | Gastric residue | Bloody stools | Abd. Mass | Location | Perforation | Outcome |
| Iutchtman et al [13] | F | 26 | 970 | 15 | 20 | Yes | No | Yes | Yes | Ileum | No | Survived |
| M | 28 | 820 | 16 | 18 | Yes | No | Yes | No | Jejunum | No | Survived | |
| Puvabanditsin et al [14] | M | 26 | 690 | 18 | 35 | No | Yes | Yes | No | Jejunum | No | Survived |
| Mooney et al [15] | M | 27 | 893 | 11 | 27 | Yes | Yes | No | No | Ileum | No | Survived |
| Reguerre et al [16] | M | 29 | 1300 | 15 | 28 | No | Yes | No | No | Ileum | Yes | Survived |
| Wang et al [17] | M | 32 | 2328 | 6 | 21 | Yes | Yes | Yes | Yes | Ileum | Yes | Survived |
| M | 27 | 950 | 10 | 22 | Yes | Yes | Yes | No | Ileum | No | Survived | |
| F | 30 | 1500 | 14 | 21 | Yes | Yes | Yes | No | Ileum | Yes | Died | |
| Stanely et al [18] | M | 32 | 1205 | 9 | Not given | Yes | Yes | No | No | Ileum | Yes | Survived |
| Gorgen-Pauly et a l[19] | M | 29 | 995 | 6 | 13 | Yes | Yes | Yes | Yes | Ileum | Yes | Survived |
| Hirokawa et al [20] | M | 23 | 630 | 9 | 14 | Yes | No | No | No | Ileum | Yes | Died |
| Woo Goo et al [21] | M | 27 | 1185 | 15 | 21 | Yes | No | No | No | Ileum | Yes | Survived |
| Margentha et al [22] | M | 28 | 1200 | 3 | 10 | Yes | Yes | No | No | Jejunum | No | Survived |
| Author | sex | Gest. age | Weight | Age at onset | Age at surgery | Abd. distension | Gastric residue | Bloody stools | Abd. Mass | Location | Perforation | Outcome |
| Nock et al [23] | M | 24 | 649 | 9 | Not given | Yes | Yes | Yes | No | Ileum | Yes | Survived |
| Avansino et al [24] | M | 24 | 608 | 14 | 34 | Yes | No | Yes | No | Jejunum | yes | Survived |
| M | 30 | 1130 | 3 | 5 | Yes | No | No | No | Ileum | Yes | Survive | |
| Biarge et al [25] | F | 26 | 610 | 30 | 31 | Yes | Yes | No | Yes | Jejunum | No | Survived |
| Ueki et al [26] | M | 34 | 1940 | 1 | 1 | No | No | No | No | Ileum | No | Survived |
| M | 35 | 2242 | 1 | 6 | Yes | Yes | No | No | Ileum | No | Survived | |
| Slam et al [27] | M | 25 | 690 | 18 | 53 | Yes | No | No | No | Multiple | No | Died |
| Loukas et al [28] | F | 34 | 2120 | 7 | 10 | Yes | Yes | No | No | Ileum | No | Survived |
| Boubal et al [29] | F | 35 | 2190 | 2 | 4 | No | Yes | No | No | Jejunum | No | Survived |
| Kim et al [30] | M | 25 | Not given | Not given | 39 | Yes | Yes | No | No | Multiple | Yes | Survived |
| Shad et al [31] | M | 36 | 1760 | 12 | 12 | Yes | Yes | Yes | No | Ileocolic | No | Survived |
| Shima et al [32] | M | 24 | 588 | 20 | Died preop | No | Yes | Yes | No | Ileum | No | Died |
| Altuntas et al [33] | F | 27 | 1000 | 7 | 12 | Yes | Yes | Yes | Yes | Ileum | Yes | Survived |
| Kim et al [34] | F | 23 | 640 | 12 | 20 | Yes | Yes | No | No | Multiple | Yes | Survived |
| Taşkinlar et al [35] | F | 25 | 725 | 11 | 12 | Yes | Yes | No | No | Ileum | Yes | Survived |
| F | 29 | 700 | 8 | 8 | Yes | Yes | No | No | Ileum | Yes | Survived | |
| M | 31 | 1800 | 15 | 18 | Yes | Yes | Yes | No | Ileum | No | Survived | |
| Prakash et al [36] | M | 32 | 1300 | 11 | Not given | Yes | Yes | Yes | No | Ileocolic | No | Died |
| Park et al [37] | M | 26 | 834 | 23 | 80 | Yes | Yes | No | No | Multiple | Yes | Died |
| Patel et al [38] | F | 35 | 2200 | 21 | Not given | Yes | Yes | No | No | Ileum | Yes | Survived |
| Aydin et al [39] | M | 30 | 2030 | 17 | 17 | No | Yes | Yes | Yes | Ileum | No | Survived |
| Tempmalai et al [40] | M | 29 | 1190 | 4 | 6 | Yes | Yes | No | No | Ileum | Yes | Survived |
| Diwakar et al [41] | M | 25 | 930 | 6 | 14 | Yes | No | No | No | Multiple | Yes | Survived |
| Pawar et al [42] | M | 28 | 1200 | 8 | 9 | Yes | Yes | No | No | Ileum | Yes | Survived |
| Raza et al [43] | M | 34 | 2296 | 2 | 3 | No | Yes | No | No | Colonic | No | Survived |
| Kotb et al [44] | M | 33 | 1420 | 21 | 28 | Yes | Yes | Yes | No | Jejunum | No | Survived |
| Hukeri et a l[45] | M | 30 | 1160 | 4 | 6 | Yes | Yes | No | No | Jejunum | No | Died |