Table 2—

Number of subjects for whom analyses were performed with the last observation carried forward or with imputed values in the all-treated population

BosentanPlacebo
M6Up to M12M6Up to M12
Subjects n7183
Last observation carried forward
 SGRQ5756
 SF-365436
 Borg dyspnoea index7934
 TDI4311
Imputed values
 SGRQ4536
 SF-364536
 Borg dyspnoea index4538
 TDI3436
  • M: month; SGRQ: St George’s Respiratory Questionnaire; SF-36: 36-item short-form health survey; TDI: transition dyspnoea index.