Table 2.

MRCI Scores and Correlation With FEV₁

Initial MRCI Score	Initial FEV1, r (p value)	Final MRCI Score	Final FEV1, r (p value)
Initial MRCI score (N = 113)	−0.323 (0.0005)	Final MRCI score	−0.287 (0.0021)
Low score (n = 16)*	−0.349 (0.18)	Low score (n = 15)*	−0.061 (0.83)
Medium score (n = 88)†	−0.222 (0.04)	Medium score (n = 87)†	−0.094 (0.38)
High score (n = 9)‡	−0.126 (0.75)	High score (n = 11)‡	0.068 (0.84)

FEV₁, forced expiratory volume in 1 second; MRCI, Medication Regimen Complexity Index

^* Low MRCI score = 3–33.

^† Medium MRCI score 34–66.

^‡ High MRCI score 67–101.