Fig. 8From: Comparison of different laboratory tests in the evaluation of hemorrhagic risk of patients using rivaroxaban in the critical care setting: diagnostic accuracy studyDilute Russell viper venom time confirm (dRVVTC) (seconds) distribution according to rivaroxaban plasmatic concentration. Normal range is represented by the gray band with a lower limit of 35.3 s (90% confidence interval, CI: 34.8–35.8) and upper limit of 41.0 s (90% CI: 40.4–41.5)Back to article page