Sentence examples for by only two studies from inspiring English sources

Personality is another important source of unobserved heterogeneity, but it was used by only two studies in the context of mismatch (Blázquez and Budría 2012; Tarvid 2013).

Finally, cessation was only quantified biochemically by only two studies.

Gefitinib and pharmacogenomic profiling were each covered by only two studies.

Adverse outcomes were reported by only two studies and these related to number of suicide attempts (21) and mortality rates (23) of study participants.

The response rate presented were the ones reported by only two studies – (Msadabwe 26 and Simonds 29) whose patients had complete modalities of treatment.

The need to report children with FGM/C, or at risk of FGM/C, to child protection authorities was mentioned by only two studies.

Probabilistic sensitivity analysis was used by only five studies [ 25, 28, 29, 38, 40].

Despite the seven days of concomitant treatment ranking the highest, data on this treatment method was provided by only three studies and in 504 participants.

Delphi surveys have previously been used in the development of nine reporting guidelines for health research [ 22, 30] with the number of participants (reported by only seven studies) ranging from 11 (CONSORT) [ 11]to more than 50 (SQUIRE) [ 31].

By contrast, only two studies have reported power-law viscoelastic moduli obtained with intracellular probes, but with specialized cells (phagocyting amoeba [25], and migrating fibroblasts containing lipid granules [26]).

EPIQ was effective in improving pain process outcomes (ie, pain assessment and management) and reducing the odds of having severe pain by 51%. 5 Only two studies reported on fidelity of toolkit implementation.