Table 1. Evidence table showing the characteristics of the included studies.
Study | Technique | Sample Size | Location | Age | Allocation | Data Collection | Scoring | Follow-up | |||
---|---|---|---|---|---|---|---|---|---|---|---|
TT | TE | TT | TE | TT | TE | ||||||
Hultcrantz1999[13] | CO2 laser | CO2 laser | 21 | 20 | Sweden | 6±1.5 | 6±1.5 | randomized | prospective | 7 | 12m |
Hultcrantz 2005[17] | CO2 laser | CO2 laser | 21 | 20 | Sweden | 3–9 | 3–9 | randomized | prospective | 7 | 72m |
Ericsson 2006[19] | Surgitrone | cold knife blunt dissection | 49 | 43 | Sweden | 8.7±3.6 | 9.8±3.4 | randomized | prospective | 8 | 10days |
Rwichel 2007[15] | CO2 laser | blunt dissection | 49 | 64 | Germany | 4.5 | 4.9 | non randomized | prospective | 9 | 24m |
Ericsson 2009[12] | Surgitrone | cold knife blunt dissection | 35 | 32 | Sweden | 4.5–5.5 | 4.5–5.5 | randomized | prospective | 8 | 6m |
Wood 2011[18] | Coblation | Coblation | 63 | 118 | Australia | 5 | 5.7 | non randomized | prospective | 7 | 24m |
Cantarella 2012[11] | Gyrus microdebrider | cold knife blunt dissection | 14 | 15 | Italy | 5.1±1.7 | 5.2±1.8 | non randomized | prospective | 7 | 6m |
Moriniere 2013[14] | Ring electrode | bipolar scissors | 88 | 105 | France | 4.88 ±2.6 | 4.75±2.37 | non randomized | prospective | 8 | 12m |
Dai 2014 [16] | Coblation | Coblation | 37 | 20 | China | 5 | 4.6 | randomized | prospective | 7 | 3m |
Zhang 2014 [6] | Coblation | Coblation | 82 | 133 | China | 4.8 | 6.4 | nonrandomized | prospective | 8 | 64.3m |