Sentence examples for make it difficult to compare from inspiring English sources

Variations in the definition of alcoholism, however, make it difficult to compare rates in different countries.

Another caveat: ComScore's method of measuring advertising networks has limitations that make it difficult to compare one network to another.

Shifts in how deaths are tallied make it difficult to compare rates before and after 1999, C.D.C. officials said.

Currently, multiple varied and unstandardized instruments make it difficult to compare quality of life measures across studies.

This can make it difficult to compare competing loans and pick the best deal, the Consumer Financial Protection Bureau said.

There also might be systematic differences between paper-based and online evaluations, which could make it difficult to compare ratings across the "discontinuity.

Researchers studying the role institutions play in causing and confronting environmental change use a variety of concepts and methods that make it difficult to compare their findings.

This can make it difficult to compare CM subjects with patients with episodic migraine.

Taken together, these factors make it difficult to compare fermentation performance between strains and studies.

Methodological differences in study design, costing approach, perspective of analysis, and time frame make it difficult to compare different studies.

Other annual adjustments to the index make it difficult to compare mortality rates from year to year.