Table 4. TB diagnostic criteria and signs and symptoms, by age groups.

Diagnostic criteria
	Adults	Elderly
	n (%)	n (%)	p value
Positive AFB Smear	75 (91.5%)	39 (90.7%)	1.000
AFB Smear grade			0.581
Negative or 1+	40 (49.4)	19 (44.2)
2+ or 3+	41 (50.6)	24 (55.8)
TB diagnosis			0.319
Clinical	10 (12.1%)	8 (18.6%)
Laboratory confirmed	73 (87.9%)	35 (81.4%)
Signs and symptoms	Presence			Duration
	Adults	Elderly		Adults	Elderly
	n (%)	n (%)	p value	Days	Days	p value
Cough	79 (95.2%)	39 (92.9%)	0.687	70 (70)	90 (105)	0.071
Productive Cough	68 (85%)	35 (81.4%)	0.616	30 (40)	60 (70)	0.610
Hemoptysis	28 (35%)	13 (31%)	0.691	0 (3)	0 (1.5)	0.904
Fever/ Chills	67 (80.7%)	25 (58.1%)	0.007	7 (18)	7 (20)	0.612
Chest Pain	43 (51.8%)	21 (48.8%)	0.706	14 (30)	15 (30)	0.419
Weight Loss	59 (73.8%)	34 (79.1%)	0.660	30 (40)	60 (105)	0.015

NAP, Not applicable; p values ≤ 0.099 shown in bold