Table 4.

Summary of results

Reference	Index	Number of Studies (number of participants)	Sensitivity	Specificity	Positive likelihood ratio	Negative likelihood ratio
Invasive	Correctly fitting cuff	6 (163)	0.87 (0.79 to 0.93)	0.85 (0.64 to 0.95)	3.33 (1.89 to 5.88)	0.18 (0.09 to 0.35)
Correctly fitting cuff	Standard cuff	6 (621)	0.73 (0.67 to 0.78)	0.76 (0.69to 0.82)	2.74 (2.03 to 3.70)	0.38 (0.30 to 0.47)
Correctly fitting cuff	Forearm cuff	6 (425)	0.84 (0.71 to 0.92)	0.75 (0.66 to 0.83)	3.64 (2.47 to 5.37)	0.17 (0.08 to 0.34)
Correctly fitting cuff	Wrist cuff	5 (217)	0.92 (0.64 to 0.99)	0.92 (0.85 to 0.87)	12.62 (5.90 to 27.0)	0.82 (0.01 to 0.49)