Table 1 Repeatability on the adult forearm.

From: Comparison of INVOS 5100C and Nonin SenSmart X-100 oximeter performance in preterm infants with spontaneous apnea

Sensors SenSmart X-100 INVOS 5100C
Sw (% (95% CI))a Repeatability coefficient (%) Sw (% (95% CI))a Repeatability coefficient (%) Corr. repetition coefficient (%)b
Reposition 1.8 (1.6–2.1) 5.0 2.3 (1.9–2.6) 6.3 3.7
Reference 1.6 (1.3–1.8) 4.4 1.3 (1.1–1.5) 3.7 2.2
Differencec 1.5 (1.3–1.7) 4.1 1.8 (1.5–2.0) 4.9 2.9
  1. aWithin-subject standard deviation from one-way ANOVA with subject as random factor
  2. bRepetition coefficient corrected for difference in dynamic response between the two oximeters
  3. cDifference between the repositioned and reference sensor