Table 3.

Patient and Professional Leaflets by Section (NS)

	HIReA			FKGL
Section name	Average	Median	Q1, Q3	Average	Median	Q1, Q3
Patient leaflet
Related termsa	−0.8863	−0.9375	−0.98, −0.85	28.9894	28.2567	23.48, 33.68
Synonyms	−0.5846	−0.5800	−0.77, −0.45	14.7009	14.6260	13.61, 15.38
Scientific evidenceb	0.0629	0.0175	−0.03, 0.08	13.0968	12.8017	12.68, 13.80
Tradition/theory	−0.5075	−0.5325	−0.68, −0.41	24.1679	21.7670	20.15, 29.72
Dosing	−0.3983	−0.3575	−0.64, −0.19	12.4706	12.6503	11.87, 13.02
Safety	−0.3246	−0.2875	−0.45, −0.20	13.3046	13.2601	12.77, 14.01
Interactions	−0.2458	−0.2475	−0.43, −0.07	13.5564	13.1288	12.38, 14.41
Professional leaflet
Synonymsa	−0.9488	−0.9525	−0.97, −0.94	29.4332	30.0594	24.98, 31.09
Effectiveness	−0.8763	−0.9075	−0.94, −0.86	18.4383	17.6172	17.11, 18.56
Dosing/toxicology	−0.5242	−0.4350	−0.88, −0.27	13.6618	14.1258	12.36, 14.68
Precautions	−0.6879	−0.6950	−0.82, −0.58	14.4580	14.8468	13.91, 15.07
Interactions	−0.6925	−0.6800	−0.85, −0.52	16.0690	16.2432	14.69, 17.15
Mechanism of action	−0.9296	−0.9525	−0.98, −0.92	16.6438	16.7223	15.15, 18.06
Historyb	−0.4446	−0.3850	−0.57, −0.24	12.9608	12.6659	12.09, 13.80
Evidence discussion	−0.8013	−0.8725	−0.93, −0.73	14.5151	14.5379	14.00, 15.04
Products studied	−0.5604	−0.5800	−0.93, −0.38	13.6061	12.9109	10.90, 15.69

NS, Natural Standard; HIReA, health information readability analyzer; FKGL, Flesch-Kincaid Grade Level; Q1, first quartile; Q3, third quartile.

^aIndicates hardest section.

^bIndicates least difficult section; evaluated 12 documents each for professional leaflets and patient leaflets.