Table 3.

Meta-regression analysis of PHF in fracture risk assessment in plateau population.

Parameter	Category	Number of studies	Sensitivity (95% CI)	P1	Specificity (95% CI)	P2
PHF with BMD (HFT)	Yes	9	0.72 (0.56–0.88)	0.52	0.81 (0.67–0.95)	0.31
	No	3	0.56 (0.28–0.83)	0	0.90 (0.77–1.00)	0
Qinghai–Tibetan plateau region (area)	Yes	4	0.71 (0.49–0.92)	0.93	0.92 (0.83–1.00)	0.37
	No	8	0.66 (0.46–0.87)	0	0.77 (0.62–0.93)	0
The gold standard is fracture (index test)	Yes	6	0.72 (0.56–0.88)	0.83	0.93 (0.88–0.98)	0.14
	No	6	0.62 (0.38–0.86)	0	0.66 (0.48–0.85)	0
Includes all genders (gender)	Yes	8	0.67 (0.50–0.84)	0.6	0.92 (0.89–0.95)	0
	No	4	0.76 (0.46–1.00)	0	0.47 (0.33–0.60)	0

PHF, probability of hip fracture; BMD, bone mineral density.