For insurers, unrelated roommates introduce far too many risk variables, so they will not write the policy. (usinsuranceagents.com)
Social class, for example, is an important risk variable — we shall see later how powerfully social class predicts cognitive outcome. (cambridge.org)
What is unique to ACS NSQIP is the detail of preoperative risk variables collected by the database, allowing for a more robust risk - adjusted analysis compared with NIS, as evidenced by higher c - statistic values, Dr. Weiss explained. (sciencedaily.com)