Table 3.

Attributes of clinical decision tools for predicting T Score less than or equal to -2.5 (at the femoral neck) in 127 post-menopausal women with rheumatoid arthritis

			Predictive values
T-FN < -2.5	Sensitivity (95% CI)	Specificity (95% CI)	Positive (95% CI)	Negative (95% CI)	Area Under Curve (95% CI)
SCORE	100 (82–100)	10 (5–17)	16 (10–24)	100 (69–100)	0.73 (0.59–0.86)
ORAI	72 (47–90)	50 (40–60)	20 (11–31)	91 (81–97)	0.73 (0.59–0.87)
NOF	94 (73–100)	46 (36–56)	23 (14–34)	98 (89–100)	0.75 (0.65–0.85)
ABONE	56 (31–79)	84 (75–90)	37 (19–58)	92 (84–96)	0.72 (0.58–0.85)
OST	78 (52–94)	51 (41–61)	22 (12–34)	93 (83–98)	0.76 (0.64–0.89)
SOFSURF	89 (65–99)	34 (25–44)	19 (11–29)	95 (82–99)	0.72 (0.59–0.85)
Low Body Weight	72 (47–90)	53 (43–63)	21 (12–33)	92 (82–97)	0.63 (0.51–0.74)
Amsterdam	100 (82–100)	7 (3–14)	16 (10–24)	100 (59–100)	0.64 (0.51–0.76)
Modified Amsterdam	78 (52–94)	44 (34–54)	20 (11–31)	92 (80–98)	0.70 (0.57–0.83)