©2008 The WJG Press and Baishideng.
World J Gastroenterol. May 7, 2008; 14(17): 2650-2661
Published online May 7, 2008. doi: 10.3748/wjg.14.2650
Published online May 7, 2008. doi: 10.3748/wjg.14.2650
Table 3 Quality scoring for 20 randomized, controlled trials of probiotics for IBS (Linde Internal Validity Scale)
| Reference | Total quality score1 | Treatment allocation | Randomization method | Baseline comparison | Patients blinded | Evaluators blinded | Handling and reporting of withdrawals/use of ITT | Data source2 |
| Maupas[45] | 6 | 1 | 1 | 1 | 1 | 1 | 1 | Paper |
| Gade[46] | 4.5 | 1 | 1 | 0 | 1 | 1 | 0.5 | Paper |
| Halpern[47] | 4 | 1 | 1 | 0.5 | 1 | 0.5 | 0 | Paper |
| Nobaek[48] | 3 | 1 | 0 | 0 | 1 | 0.5 | 0.5 | Paper |
| O'Sullivan[49] | 3 | 1 | 0 | 1 | 0.5 | 0.5 | 0 | Author |
| Niedzielin[50] | 4 | 1 | 0 | 1 | 1 | 0 | 1 | Paper |
| Kim[51] | 4.5 | 1 | 0 | 0.5 | 1 | 1 | 1 | Paper |
| Bausserman[52] | 5.5 | 1 | 1 | 1 | 1 | 1 | 0.5 | Paper |
| Bittner[53] | 3 | 1 | 0 | 0 | 0.5 | 0.5 | 1 | Author |
| Kajander[54] | 4.5 | 1 | 1 | 1 | 0.5 | 0.5 | 0 | Paper |
| Kim[55] | 4 | 1 | 0 | 1 | 1 | 0.5 | 0.5 | Paper |
| Niv[56] | 3.5 | 1 | 0 | 0.5 | 1 | 0.5 | 0.5 | Paper |
| O’Mahony[17] | 4.5 | 1 | 1 | 0 | 1 | 1 | 0.5 | Paper |
| Kim[57] | 4 | 1 | 0 | 1 | 0.5 | 0.5 | 1 | Paper |
| Simren[58]3 | 3 | 1 | 0.5 | 0 | 1 | 0.5 | 0 | Author |
| Whorwell[35] | 3.5 | 1 | 0 | 0.5 | 1 | 0.5 | 0.5 | Paper |
| Enck[59]3 | 4 | 1 | 0.5 | 0 | 1 | 0.5 | 1 | Author |
| Gawronska[60] | 4.5 | 1 | 1 | 0 | 1 | 0.5 | 1 | Paper |
| Marteau[61]3 | 4.5 | 1 | 0.5 | 1 | 1 | 0.5 | 0.5 | Author |
| Simren[62]3 | 3.5 | 1 | 0.5 | 0 | 1 | 0 | 1 | Author |
- Citation: McFarland LV, Dublin S. Meta-analysis of probiotics for the treatment of irritable bowel syndrome. World J Gastroenterol 2008; 14(17): 2650-2661
- URL: https://www.wjgnet.com/1007-9327/full/v14/i17/2650.htm
- DOI: https://dx.doi.org/10.3748/wjg.14.2650