Assessment of Lung Cytological Atypia among Shisha Smokers

Table 2

Description of the study population by cytological findings.

Variable	Cases	Controls	𝑃 value
Atypia
Positive	2	0	0.001
Negative	98	100
Metaplasia
Positive	42	7	0.001
Negative	58	93
Fungal infection
Positive	7	2	0.001
Negative	93	98
Bacterial infection
Positive	34	3	0.0001
Negative	66	97
Mean NOR counts
<2	84	100	0.001
2.1+	16	0