However, this is a rather rough comparison since many other impact factors, such as the number of patients and the severity of the disease, must be taken into account for the evaluation.
Hata hivyo, huu ni ulinganisho wa juujuu kwa sababu vigezo vingine vya athari kama vile idadi na hali ya wagonjwa vinapaswa kujumuishwa kwenye tathmini.