The phrase "a proportion of approximately" is correct and usable in written English.
It can be used when discussing statistical data or estimates to indicate a rough percentage or fraction of a whole.
Example: "In the survey, a proportion of approximately 60% of respondents indicated that they preferred online shopping."
Alternatives: "about a percentage of" or "roughly a fraction of".
Results showed that both Sb V) and Sb III) are capable to enter the red blood cell in a proportion of approximately 40 60%.
All candidates were expressed in the soluble fraction with a proportion of approximately 10%% or lower compared to the total expression yield (Fig. 3b).
Two regional surveys in Guangzhou and Shenyang, a Southern and a Northern region of China respectively, show a proportion of approximately 12% AC in patients with chronic cough [ 35, 46].
In a proportion of patients (approximately 17%) further diagnostic investigations for palliative care reasons were recommended.
For a proportion of individuals (approximately 10-20%) the experience of LBP persists beyond three months to become chronic, experienced as either a continuous or episodic course of pain [ 6].
The sample size was calculated by assuming a 1-month prevalence of 6.4% for ADRs in Sweden based on a previous study, 6 a preventable proportion of approximately 10%, 16 17 a 60% response rate 6 and a maximum width of ±0.3% for the 95% CI of the preventable proportion.
Considering that for patients who died, the absence of a score after death was not MD, we counted 1 262 missing scores, which corresponds to a proportion of MD of approximately 43 %.
In contrast, students from a Southern Asian origin remained at a base proportion of approximately 3% from 1985 to 1998 but more than doubled over the period 1999 to 2011.
The cattle corridor occupies a significant proportion of approximately 44% of Uganda's total land area.
A corresponding reduction from 38 to 32% was seen in the 40-year-old group and the 50-year-old group was a stable proportion of approximately 35%.
In our survey, seropositive children aged 12 years (mostly in the last year of primary school education) or older reached a steady proportion of approximately 40%.
