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Table 1 Results of scoping review to identify studies of biomarkers in Crohn’s disease, performed in March 2015

From: Prognostic biomarkers to identify patients destined to develop severe Crohn’s disease who may benefit from early biological therapy: protocol for a systematic review, meta-analysis and external validation

Search term

Number of articles identified

Number of clinical trials identified

Crohn’s disease

41,158

1962

Crohn’s

41,322

1867

All MeSH terms for Crohn’s disease

42,373

1992

All MeSH terms for biological markers

848,207

45,368

Crohn’s disease all MeSH terms and biological markers all MeSH terms

3308

225

Limit to 2013

338

35