Table 1.

The effects of paracetamol on BP: observational studies

Author	n	Duration	Paracetamol use	Cases of HTN	Relative risk
Dedier et al. 35	51 630	8 years	Days per month
			None	4037	1.00
			1–4	2959	1.07
			5–14	1033	1.22
			15–21	317	1.31
			>22	457	1.2
Curhan et al. 36	80 020	2 years	Days per month
			None	369	1.00
			1–4	661	1.19
			5–14	229	1.37
			15–21	62	1.62
			≥22	72	2.00
Kurth et al. 38	8 229	14 years	Cumulative use over 14 years
			<12	1204	1.00*
			12–1499	607	0.86 (0.77–0.95)*
			1500–2499	87	1.17 (0.93–1.46)*
			≥2500	97	1.08 (0.87–1.34)*
Forman et al. 39	16 031	2 years	Days per week
			0	1743	1.00
			1	47	1.00
			2–3	69	1.00
			4–5	36	1.59
			6–7	50	1.34

^*Hazard ratio. HTN, hypertension.