Table 2.
Characteristics of the 17 studies used in the meta-analysis
| Studies, first author | Randomised method | Graft material of SB | Graft material of DB | Weight-bearing time after surgery |
|---|---|---|---|---|
| Lee [12] | Not mentioned | Autologous STG | Autologous STG | As tolerated |
| Núñez [13] | A random list of numbers | Autologous STG | Autologous STG | Not mentioned |
| Ochiai [14] | Not mentioned | Autologous STG | Autologous STG | First 2 weeks |
| Araki [15] | Closed envelopes | Autologous STG | Autologous STG | Not mentioned |
| Hussein [16] | Computer software | Autologous STG | Autologous STG | As tolerated |
| Hemmerich [17] | METLAB analysis | Autologous STG | Autologous STG | Not mentioned |
| Zaffagnini [18] | Computer-generated | Patellar tendon | Autologous STG | First 2 weeks |
| Suomalainen [23] | Closed envelopes | Autologous STG | Autologous STG | Immediately after surgery |
| Aglietti [19] | Not mentioned | Autologous STG | Autologous STG | Not mentioned |
| Ibrahim [20] | Closed envelopes | Autologous STG | Autologous STG | Immediately after surgery |
| Wang [21] | Not mentioned | Autologous STG | Autologous STG | Second day after surgery |
| Järvelä [22] | Closed envelopes | Autologous STG | Autologous STG | Immediately after surgery |
| Siebold [25] | Computer | Autologous STG | Autologous STG | First week |
| Streich [26] | Not mentioned | Autologous ST | Autologous ST | 1 months after surgery |
| Järvelä [24] | Closed envelopes | Autologous STG | Autologous STG | Immediately after surgery |
| Muneta [27] | Odd and even number | Autologous STG | Autologous STG | 3 days after surgery |
| Järvelä [28] | Closed envelopes | Autologous STG | Autologous STG | Immediately after surgery |
SB single-bundle, DB double-bundleST semitendinosus tendon, STG semitendinosus and gracilis tendons, METLAB MathWorks, Natick, MA, USA