nQuery Licensing and Feature Comparison Overview

This document is a feature overview that details the licensing model and capabilities of nQuery, a statistical software designed for clinical trials. It outlines the tiered licensing structure, which includes four tiers: Plus, Pro, Expert, and Base, each catering to different trial complexities and methodologies. The Plus tier focuses on Bayesian and fixed-term sample sizes, while the Pro tier incorporates adaptive designs and tools for monitoring trials. The Expert tier adds prediction tools for study design and monitoring, and the Base tier provides fixed-term sample size calculations for various trial designs. The document also compares nQuery with EAST, highlighting the specific features available in each software for various statistical analyses, including means, proportions, survival analysis, and regression techniques. It emphasizes the unique capabilities of nQuery, such as specific tests and models that are not available in EAST, thus providing a comprehensive understanding of the software's functionalities.