Table 4.

Study of risk factor for non-diagnosis cytology.

	Non-diagnosis cytology	Diagnosis cytology	p	Odds-ratio (95% CI)
Age ≥ 25 years	31	58	0.7	0.8 (0.4–1.8)
Age < 25 years	16	26
Time to first consultation
<7 weeks	14	36	0.1	1.7 (0.8–3.7)
≥7 weeks	33	48
Size of the lymph node
< 2 cm	7	16	0.3	0.6 (0.3–1.4)
≥2 cm	40	68
Superior lymph node	32	55	0.7	0.8 (0.4–1.9)
Inferior lymph node	15	29
Diagnosis
Tuberculosis +	30	36	0.02	2.3 (1.1–4,9)
Tuberculosis −	17	48
Metastasis +	2	13	0.053	0.2 (0.05–1.1)
Metastasis −	45	71
Reactive lymph node +	9	18	0.7	0.8 (0.3–2,1)
Reactive lymph node −	38	66
Lymphoma +	6	17	0.3	0.6 (0.2–1.7)
Lymphoma −	41	67

95% CI, 95% Confidence Interval.