Table 3.

Example of summary measures collected from the original publication example [7] and their corresponding estimates obtained from the reconstructed IPD

	Original publication	Reconstructed IPD
Radiotherapy arm
survival rate (1 year)	55	56.1 (49.6; 63.3)
survival rate (2 years)	41	41.1 (34.7; 48.6)
survival rate (3 years)	34	34.7 (28.4; 42.5)
median duration	14.9	14.9 (11.9; 23.0)
Radiotherapy plus cetuximab arm
survival rate (1 year)	63	64.0 (57.8; 70.9)
survival rate (2 years)	50	50.4 (43.9; 57.8)
survival rate (3 years)	47	46.7 (40.1; 54.4)
median duration	24.4	24.3 (15.7; 45.7)
Hazard ratio with 95%CI
	0.68 (0.52; 0.89)	0.73 (0.57; 0.94)