Sentence examples for improvements were seen from inspiring English sources

Functional improvements were seen across all domains.

Significant improvements were seen in 11 out of 29 EBPs.

The improvements were seen only in women free from dementia.

Substantial improvements were seen in patients' scores on several widely accepted metrics of stroke recovery.

Similar improvements were seen at the county level in a test using data from Virginia.

However, significant improvements were seen in two parts of the cognitive tests, Verbal Fluency and Symbol Digit Modalities.

Significantly greater improvements were seen in linaclotide vs. placebo patients for all secondary end points (P<0.001).

For year six children, similar improvements were seen in writing, but there was no significant boost in reading and maths.

These effects were such that greater improvements were seen for the WFBI group following Wii Fit training.

Results: Improvements were seen in choice for modern antidepressant, adequate dosage, adequate duration, and number of target instructions given.

It's a fair question, especially since some improvements were seen in people who adopted certain blood type diets (see link above).