Preposition: at

• time: Patients with symptoms during pollution episodes will be compared with others who are asymptomatic at those times.

Preposition: in

• %: In fact, it is asymptomatic in 70 % of women and 50 % of men, so it often goes undiagnosed.

Modifies a noun

• bacteriuria: A large study is required to determine whether screening for asymptomatic bacteriuria continues to be relevant in improving pregnancy outcome.

• hyperuricaemia: Moreover, that risk may also be partly avoidable, in that three-quarters of these cases were taking allopurinol for asymptomatic hyperuricaemia.

• stenosis: Patients with either symptomatic or asymptomatic stenosis for whom surgery is advised are eligible.

• aneurysm: Incidence among men of asymptomatic abdominal aortic aneurysm: estimates from 500 screen detected cases.

• carrier: The disorder is inherited with both parents being asymptomatic carriers.

• infection: Human cases can range from asymptomatic infection to eye infection.

Modifying Another Word

• usually: Fatty liver, present in 90 % of persistently heavy drinkers, is usually asymptomatic.

• completely: Since the patient was completely asymptomatic and stable, the decision was made to attempt conservative management.

• often: The focus group research showed that people did not know that many eye diseases are often asymptomatic.

• neurologically: The lack of impairment in neurologically asymptomatic patients suggests that the cognitive deficits are caused by direct cerebral involvement rather than hepatic encephalopathy.

• totally: In most of these women, fibroids are totally asymptomatic.

• generally: Individuals with sickle cell trait, although generally asymptomatic, can develop symptoms of sickling if exposed to very low oxygen pressures.

Used with adjective complement

• remain: Symptoms develop less readily than in MEN 1 with 40 % of people with the gene remaining asymptomatic at 70 years of age.

• become: However, once they develop lupus, quitting these drinks, will cause them to become asymptomatic.

• stay: The length of time people stay asymptomatic varies tremendously.

Preposition: until

• disease: Many people will also be asymptomatic until the disease is very advanced.

Preposition: for

• year: The disease can be asymptomatic for many years and the resultant cyst can grow very large, eventually involving several liters of fluid.

• period: Undetected Chronic Disease Often disease will have been present but asymptomatic for a long period prior to hibernation.