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Table 4 Methodological reporting in major hepato-gastroenterology journals in different years
| Gluud [17] | Kjaergard [16] | Current study | Kjaergard [18] | Bai [15] | Current study | |
|---|---|---|---|---|---|---|
| Study period | 1985-1997 | 1981-1998 | 1998 | 1964-2000 | 2006 | 2008 |
| Included journals | the Journal of Hepatology | Hepatology | 5 * | Gastroenterology | 6* | 5* |
| Number of RCTs | 166 | 235 | 99 | 383 | 105 | 107 |
| Sequence generation | 47(28%) | 121(51%) | 35(35%) | 161(42%) | 85(81%) | 81(76%) |
| Allocation concealment | 22(13%) | 80(34%) | 25({25%) | 149(39%) | 64(61%) | 62(58%) |
| Blinding | 50(30%) | 80(34%) | 52(53%) | 237(62%) | 54(51%) | 62(58%) |
| Sample size calculation | 33(20%) | 61(26%) | 47(47%) | - | 79(75%) | 83(78%) |
| Incomplete outcome | - | 165(70%) | 34(34%) | - | - | 52(49%) |
| Intention-to-treat analysis | 95(57%) | - | 42(42%) | - | - | 74(69%) |
| Free of selective reporting | - | - | 43(43%) | - | - | 57(53%) |
