Table 4.

Duration of cough and fever, comparison between retrospective and prospective studies Retrospective study

Cough	Cases in which duration is specified	Mean duration in days (range min–max)	Min	Max	Prevalence of cases with symptom lasting ≥ 10 days
Days	84	20 (1–171)	1	171	49 (21.7%)
Fever
Days	92	12 (1–90)	1	90	43 (19.0%)
Prospective study
Variable		TB cases	Cases with symtpom lasting ≥ 10 days
N° patients		14
With Cough			3 (21.4%)
With Fever			1 (7.1%)

TB tubercolosis