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. 2023 Nov 18;79(4):301–306. doi: 10.1136/thorax-2023-220821

Table 2.

Time to death using the conventional survival analysis of the ITT population for the RCT and OLE

Inhaled treprostinil Placebo
Number of deaths
 INCREASE RCT 10 12
 INCREASE OLE 29 33
Mean time to death, weeks 58.5 43.5
Median time to death, weeks 65.0 33.1
P value (log-rank test) 0.1209
KM survival estimates
 26 weeks (95% CI) 92.7 (87.1 to 95.9) 88.0 (81.4 to 92.4)
 52 weeks (95% CI) 89.0 (82.3 to 93.3) 76.5 (67.8 to 83.2)
 78 weeks (95% CI) 79.8 (71.1 to 86.1) 67.3 (57.3 to 75.4)
 104 weeks (95% CI) 67.5 (57.4 to 75.8) 60.4 (49.8 to 69.5)

ITT, intention to treat; KM, Kaplan-Meier; OLE, open-label extension; RCT, randomised controlled trial.