The phrase "a proportion which was" is correct and usable in written English.
It can be used when discussing a specific ratio or fraction that existed in the past or in a previous context.
Example: "The study revealed a proportion which was significantly higher than previously reported."
Alternatives: "a ratio that was" or "a fraction that was".
Migraine relief within the 24 h was achieved for 82% of menstrual attacks, a proportion which was similar to that observed for non-menstrual attacks (87%).
Mixed food items were each allocated a proportion, which was then included in the relevant recall food group calculations for weight and frequency.
Over 77% of the reads in each of the six RNA-Seq libraries corresponded with known transcripts (Table 1), a proportion which was as high as that achieved in a similar study of Anthurium [ 30].
Already, 27% of British homes can receive digital television, a proportion which is just ahead of America.
Each year in Australia over 64,000 cancers, or 56% of all cancers, are diagnosed in adults of working ages (20 64 years) [ 1], a proportion which is broadly similar to other developed countries.
Additionally, death in the general population in the study of Bickel occurred in hospitals in about half of the cases (49.7%), a proportion which is much higher than in our study (29.7%).
Similarly the accounts payable balance relating to field transaction, which increased from US$3.7 million at the end of 1995 to US$7.9 million at the end of 1997, may also be overstated in a proportion which is not easy to identify as a result of the difficulties mentioned above.
The metabolic syndrome (MS) is a clustering of risk factors including abdominal obesity, insulin resistance and elevated blood pressure [ 1], and it has an increased incidence among the obese part of the population; a proportion which is steadily growing [ 2, 3].
About 70% of the reads in each of the four RNA-Seq libraries were mappable back to known transcripts (Table 1), a proportion which is somewhat lower than achieved in the lettuce/ B. cinerea system [ 18], probably reflecting the more comprehensive status of the lettuce transcriptome.
It reduces all accountable emissions or removals by a fixed proportion, which was arbitrarily set to 85% in Figure 4.
Miss Rubin has won eight of her 14 tries - a high proportion, which is bound to diminish as the number of her mounts increases.
