Table 3

Accuracy of pulse oximeters in detecting hypoxaemia (prevalence of SaO2 ≤90% is 5.1%)

Pulse oximeterTP/FNFP/TNSensitivitySpecificityPPVNPVAccuracy
AFAC FS10D9/346/17475 (43–95)79 (73–84)16 (11–23)98 (96–99)79 (73–84)
AGPTEK FS10C10/239/18283 (52–98)82 (77–87)20 (15–27)99 (96–100)82 (77–87)
ANAPULSE ANP 10010/179/11291 (59–100)59 (51–66)11 (9–14)99 (95–100)60 (53–67)
Cocobear10/263/15183 (52–98)71 (64–77)14 (10–18)99 (96–100)71 (65–77)
Contec CMS50D17/516/20058 (28–85)93 (88–96)30 (18–46)98 (95–99)91 (86–94)
HYLOGY MD-H3711/151/16992 (62–100)77 (71–82)18 (14–22)99 (96–100)78 (72–83)
Mommed YM1019/331/18675 (43–95)86 (80–90)23 (15–32)98 (96–99)85 (80–89)
PRCMISEMED F4 PRO8/439/18267 (35–90)82 (77–87)17 (11–25)98 (95–99)82 (76–86)
PULOX-PO-2009/330/18975 (43–95)86 (81–91)23 (16–32)98 (96–99)86 (81–90)
Zacurate Pro Series 500 DL8/219/18380 (44–97)91 (86–94)30 (20–42)99 (96–100)90 (85–94)
  • The values for PPV, NPV and accuracy are dependent on disease prevalence.

  • FN, false negative; FP, false positive; NPV, negative predictive value; PPV, positive predictive value; TN, true negative; TP, true positive.