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Table 3 Observed and PAVA-Adjusted Response in Group R

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

Assigned Dose (mg)

Number of Successes

Number of Patients

Observed Response

Rate (%)

PAVA-adjusted Response Rate(%)

12

0

1

0.000

0.000

13.5

4

7

0.571

0.571

15

25

26

0.962

0.962

16.5

6

6

1.000

1.000

  1. PAVA-adjusted response rates were estimated using the weighted isotonic regression method
  2. PAVA pooled-adjacent-violators algorithm