The phrase "a proportion lower than" is correct and usable in written English.
It can be used when comparing quantities or percentages to indicate that one is less than another.
Example: "The study found that a proportion lower than 20% of participants reported experiencing side effects."
Alternatives: "a percentage less than" or "a fraction below".
Nearly 8% of Occidental students surveyed last year said they had been sexually assaulted, a proportion lower than national survey rates of about 1 in 5 female college students.
Lead binds to low molecular weight proteins in a proportion lower than 1%.
In our study, we found 0.7% (1/140) of deaths related to ectopic pregnancy, a proportion lower than that observed in all developed countries.
However, an elevated C-reactive protein concentration (>10 mg l−1) was seen in only 12% of patients, a proportion lower than previously seen in both primary operable disease (approximately 20 40%) and in advanced cancer (approximately 40 80%).
Of 357 Salmonella foodborne disease outbreaks reported from 1993 to 1997, the vehicle of transmission was classified as pork in 4 (1.1%) outbreaks, a proportion lower than that of beef (3.9%), chicken (1.6%), and turkey (1.6%) (7 ).
In ED (Supplementary data, Table SXI), the recipient was aged 40 years or more in 55.3% of cases on average, and only a few countries had a proportion lower than 50%: Albania (37.5%), Belgium (41.3%), Denmark (35.0%), Hungary (31.6%), Serbia (33.3%), Sweden (9.2%) and Ukraine (44.1%).
But we are actually finding only 3-53-5%o a significant proportion lower than we thought are coming through..."...
Therefore, if designating this interval as the intermediate stage, the abortion day points could be separated into three stages, including early abortion (prior to Day 27) with a survival proportion higher than 80%, intermediate abortion (Day 27 to Day 34) with a survival proportion range from 80%to20%0% and late abortion (after Day 34) with a survival proportion lower than 20%.
In general, 20% fewer women are enrolled in CR than men,[ 61, 62] a proportion significantly lower than expected on the basis of morbidity[ 63].
The number has fallen over the years and is, as a proportion, much lower than elsewhere in Poland.
Around one half of Australian research-based graduates enter the private sector, a proportion slightly lower than that of comparable American graduates.
