Decreased Risk of Squamous Cell Carcinoma of the Head and Neck in Users of Nonsteroidal Anti-Inflammatory Drugs

Table 3

Unadjusted and Adjusted risk estimated of having Head and Neck Cancer by NSAID use categories.

	Cases/Controls	OR1	95% CI	𝑃-value*	Cases/Controls	OR2	95% CI	𝑃-value*
NSAID use
Never	25/10	1.00			25/10	1.00
Ever	46/61	0.25	(0.09, 0.67)	.01	44/59	0.31	(0.11, 0.88)	.03
Never	25/10	1.00			25/10	1.00
Occasional	27/24	0.37	(0.13, 1.04)	.06	26/23	0.45	(0.15, 1.34)	.15
Daily	19/37	0.12	(0.04, 0.42)	.001	18/36	0.14	(0.04, 0.54)	.004
Aspirin Use
Never User	15/6	1.00			15/6	1.00
Daily Aspirin Use	10/19	0.10	(0.01, 0.78)	.03	10/19	0.15	(0.02, 1.3)	.09

* 𝑃-values were computed using conditional logistic regression.
OR1: Unadjusted Odds Ratio; OR2: Odds Ratio after adjusting for educational level and marital status.