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Fig. 3 | BMC Pregnancy and Childbirth

Fig. 3

From: Optimum dose of spinal ropivacaine with or without single intravenous bolus of S-ketamine during elective cesarean delivery: a randomized, double-blind, sequential dose-finding study

Fig. 3

The patient allocation sequence and the response to the assigned dose of spinal ropivacaine in R group. The patient sequence number (X-axis) is the order of patient exposures using the BCUD design. The assigned dose levels are presented on Y-axis. An effective dose is denoted by a solid circle, while an ineffective one is denoted by a hollow circle. BCUD, biased coin up and down

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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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