The phrase "a higher severity of" is correct and usable in written English.
It can be used when discussing the intensity or seriousness of a condition, issue, or situation.
Example: "The study found that patients with a higher severity of symptoms required more intensive treatment."
Alternatives: "an increased level of severity" or "a greater degree of severity".
The patients with severe infection had a higher severity of disease and more organ failure when compared with the other patients admitted to the ICU.
Several studies have reported a higher severity of asthma in women than in men, both in the use of health care and in admissions to hospital [1].
EGDT reduced mortality in septic shock patients with a higher severity of disease when comparing to control care.
The presence of ipsilateral fibular fractures in distal tibial fractures has been correlated with a higher severity of injury than those without fibular fractures [18].
The aim is to investigate whether CPTH patients report more symptoms in general and with a higher severity of these symptoms than other headache patients.
In particular, uninsured patients have a higher number of diagnoses and chronic conditions and a higher severity of illness and risk of mortality.
An increased EVLWImax may indicate a state of capillary leak, associated with a higher severity of illness and mortality [11, 22, 23, 42].
Our data suggest that a higher severity of illness is the most important risk factor for mortality in critical care patients with AKI requiring RRT.
Despite a higher severity of disease of patients undergoing fasting before extubation (SAPS II of 50 [42; 66] vs. 48 [31; 60], p = 0.05).
The uninsured have a higher severity of illness and a higher risk of mortality on average, but the results are reversed when we control for the primary diagnosis.
For example, these data demonstrate a higher severity of injury amongst patients with hospital course complications who were admitted to the ICU (median ISS 26, IQR 17 34).
