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Table 1 Summary of smartphone / smartwatch-based cuffless blood pressure measurement

From: Smartphone / smartwatch-based cuffless blood pressure measurement : a position paper from the Korean Society of Hypertension

Year Authors Subjects Type of subjects Device Comparison (Measuring location / device) Mean ± SD (mmHg)
SBP DBP
2013 Chandrasekaran, et al. [12] 500 Healthy subjects Nexus One Brachial cuff / Mercury sphygmomanometer ±2.4473 (95% CI) ±1.7073 (95% CI)
2014 Visvanathan, et al. [13] 156 Variable subjects Iphone4 Brachial cuff / ETCOMM HC-502 0.78 (F-score) 0.80 (F-score)
2016 Plante, et al. [14] 85 Variable subjects iPhone 5 s, 6 Brachial cuff / Omron 907, 907XL 12.4 ± 10.5 10.1 ± 8.1
2016 Gaurav, et al. [15] 3000 Healthy subjects galaxy note 5 Brachial cuff / Mercury
sphygmomanometer
0.16 ± 6.85 0.03 ± 4.72
2016 Alexander, et al. [16] 100 Healthy subjects iPhone 5 s Brachial cuff / Welch Allyn Propaq CS Monitor −0.6 ± 12.8 + 7.2 ± 9.2
2016 Gao, et al. [17] 78 Healthy subjects Android phone Brachial cuff / A&D UA-767PBT 5.1 ± 4.3 4.6 ± 4.3
2018 Raichle, et al. [18] 32 Variable subjects Iphone 4 s Brachial cuff / Omron-HBP-1300 5.0 ± 14.5 NA.
2018 Wang, et al. [19] 7 Variable subjects Google pixel phone Brachial cuff / Microlife BP3NA1-1x N.A. 4.8 ± 4.7
2018 Chandrasekaran, et al. [20] 20 Healthy subjects iPhone X Brachial cuff / Omron BP786 −4.0 ± 11.4 − 9.4 ± 9.7
2018 Dey, et al. [21] 205 Variable subjects Galaxy S6 Brachial cuff / Mercury sphygmomanometer 6.90 ± 9.00 5.00 ± 6.10
2018 Matsumura, et al. [22] 49 Variable subjects iPhone 6 s Brachial cuff / NISSEI, DS-S10 0.67 ± 12.7 0.45 ± 8.6
2019 Luo, et al. [23] 1328 Healthy subjects iPhone 6+ Finger sensor / CNAP 500 0.39 ± 7.3 −0.20 ± 6.00