Question: is this a 2) strong advice, 1) weak advice 0) no advice?

To explore the association of MCP-1 −2518 A/G SNP with susceptibility for SSc, our case-control study used the same methodological strategy as the original report [13], but importantly the size of the case group in our study was 2.5 fold bigger than the original one (46 versus 18). 
user
This is no advice
assistant