Table 2.

Performance characteristics for four measures of self-reported physician Spanish language proficiency compared to patient report of physician Spanish language proficiency

N = 110 encounters	Fluency in Spanish		Confident performing history and physical		Confident holding sensitive discussion		Use of Spanish interpreter
	E/G vs. F/P/N	E/G/F vs. P/N	E/V vs. S/N	E/V/S vs. N	E/V vs. S/N	E/V/S vs. N	N/R vs. O/U/A	N/R/O vs. U/A
Percent concordance	88	91	86	89	84	86	88	87
Sensitivity (%)	89	98	87	92	80	83	92	86
Specificity (%)	85	70	85	81	96	96	78	93
PPV (%)	95	91	95	94	99	99	93	97
NPV (%)	72	90	68	76	60	65	75	68

PPV = positive predictive value; NPV = negative predictive value; A = always; E = excellent/extremely; F = fair; G = good; N = none/not/never; O = occasionally; P = poor; R = rarely; S = somewhat; U = usually; V = very