Randlist

Software to create Randomisation Lists

Randomisation list examples

Example	Example
Clinical trial, 60 patients, two treatment groups (A vs. B), permuted blocks (size 6), seed 23228482	Example 1 Seed: (23228482) 1 2 Treatment B 2 2 Treatment B 3 1 Treatment A 4 1 Treatment A 5 2 Treatment B 6 1 Treatment A ------- Block ------ 7 2 Treatment B 8 2 Treatment B 9 1 Treatment A 10 1 Treatment A 11 1 Treatment A 12 2 Treatment B ------- Block ------ 13 2 Treatment B 14 1 Treatment A 15 2 Treatment B 16 1 Treatment A 17 1 Treatment A 18 2 Treatment B ------- Block ------ 19 2 Treatment B 20 2 Treatment B 21 1 Treatment A 22 1 Treatment A 23 1 Treatment A 24 2 Treatment B ------- Block ------ 25 1 Treatment A 26 2 Treatment B 27 1 Treatment A 28 1 Treatment A 29 2 Treatment B 30 2 Treatment B ------- Block ------ 31 2 Treatment B 32 2 Treatment B 33 2 Treatment B 34 1 Treatment A 35 1 Treatment A 36 1 Treatment A ------- Block ------ 37 1 Treatment A 38 2 Treatment B 39 2 Treatment B 40 1 Treatment A 41 2 Treatment B 42 1 Treatment A ------- Block ------ 43 1 Treatment A 44 2 Treatment B 45 2 Treatment B 46 1 Treatment A 47 2 Treatment B 48 1 Treatment A ------- Block ------ 49 1 Treatment A 50 1 Treatment A 51 2 Treatment B 52 2 Treatment B 53 1 Treatment A 54 2 Treatment B ------- Block ------ 55 1 Treatment A 56 2 Treatment B 57 2 Treatment B 58 2 Treatment B 59 1 Treatment A 60 1 Treatment A ------- Block ------
Clinical multicenter trial, 180 patients, 3 centers, 3 treatment groups (A vs. B vs. A+B), permuted blocks (variable size 3-6), seed 12312212	Example 2 Center 1 Barcelona - Seed: (456070720) 1 3 Treatment A+B 2 1 Treatment A 3 1 Treatment A 4 2 Treatment B 5 2 Treatment B 6 3 Treatment A+B ------- Block ------ 7 2 Treatment B 8 1 Treatment A 9 3 Treatment A+B ------- Block ------ 10 2 Treatment B 11 3 Treatment A+B 12 2 Treatment B 13 3 Treatment A+B 14 1 Treatment A 15 1 Treatment A ------- Block ------ 16 3 Treatment A+B 17 1 Treatment A 18 2 Treatment B ------- Block ------ 19 3 Treatment A+B 20 2 Treatment B 21 2 Treatment B 22 3 Treatment A+B 23 1 Treatment A 24 1 Treatment A ------- Block ------ 25 2 Treatment B 26 3 Treatment A+B 27 1 Treatment A ------- Block ------ 28 1 Treatment A 29 1 Treatment A 30 3 Treatment A+B 31 2 Treatment B 32 3 Treatment A+B 33 2 Treatment B ------- Block ------ 34 2 Treatment B 35 3 Treatment A+B 36 1 Treatment A 37 1 Treatment A 38 2 Treatment B 39 3 Treatment A+B ------- Block ------ 40 2 Treatment B 41 3 Treatment A+B 42 3 Treatment A+B 43 1 Treatment A 44 1 Treatment A 45 2 Treatment B ------- Block ------ 46 2 Treatment B 47 3 Treatment A+B 48 1 Treatment A ------- Block ------ 49 3 Treatment A+B 50 1 Treatment A 51 1 Treatment A 52 2 Treatment B 53 3 Treatment A+B 54 2 Treatment B ------- Block ------ 55 1 Treatment A 56 2 Treatment B 57 3 Treatment A+B ------- Block ------ 58 2 Treatment B 59 3 Treatment A+B 60 1 Treatment A ------- Block ------ Center 2 Berlin - Seed: (333387328) 1 2 Treatment B 2 3 Treatment A+B 3 1 Treatment A ------- Block ------ 4 3 Treatment A+B 5 1 Treatment A 6 2 Treatment B ------- Block ------ 7 1 Treatment A 8 2 Treatment B 9 3 Treatment A+B 10 1 Treatment A 11 3 Treatment A+B 12 2 Treatment B ------- Block ------ 13 3 Treatment A+B 14 2 Treatment B 15 1 Treatment A ------- Block ------ 16 2 Treatment B 17 3 Treatment A+B 18 1 Treatment A ------- Block ------ 19 2 Treatment B 20 2 Treatment B 21 1 Treatment A 22 3 Treatment A+B 23 1 Treatment A 24 3 Treatment A+B ------- Block ------ 25 1 Treatment A 26 2 Treatment B 27 1 Treatment A 28 3 Treatment A+B 29 2 Treatment B 30 3 Treatment A+B ------- Block ------ 31 1 Treatment A 32 2 Treatment B 33 3 Treatment A+B 34 1 Treatment A 35 3 Treatment A+B 36 2 Treatment B ------- Block ------ 37 3 Treatment A+B 38 2 Treatment B 39 1 Treatment A ------- Block ------ 40 2 Treatment B 41 1 Treatment A 42 3 Treatment A+B ------- Block ------ 43 1 Treatment A 44 2 Treatment B 45 3 Treatment A+B ------- Block ------ 46 3 Treatment A+B 47 2 Treatment B 48 1 Treatment A 49 1 Treatment A 50 3 Treatment A+B 51 2 Treatment B ------- Block ------ 52 1 Treatment A 53 2 Treatment B 54 3 Treatment A+B 55 1 Treatment A 56 3 Treatment A+B 57 2 Treatment B ------- Block ------ 58 2 Treatment B 59 3 Treatment A+B 60 1 Treatment A ------- Block ------ Center 3 Boston - Seed: (811253184) 1 3 Treatment A+B 2 3 Treatment A+B 3 2 Treatment B 4 2 Treatment B 5 1 Treatment A 6 1 Treatment A ------- Block ------ 7 1 Treatment A 8 3 Treatment A+B 9 2 Treatment B 10 2 Treatment B 11 3 Treatment A+B 12 1 Treatment A ------- Block ------ 13 2 Treatment B 14 2 Treatment B 15 3 Treatment A+B 16 1 Treatment A 17 3 Treatment A+B 18 1 Treatment A ------- Block ------ 19 3 Treatment A+B 20 1 Treatment A 21 2 Treatment B ------- Block ------ 22 3 Treatment A+B 23 1 Treatment A 24 2 Treatment B ------- Block ------ 25 1 Treatment A 26 3 Treatment A+B 27 2 Treatment B 28 1 Treatment A 29 3 Treatment A+B 30 2 Treatment B ------- Block ------ 31 3 Treatment A+B 32 1 Treatment A 33 2 Treatment B 34 2 Treatment B 35 3 Treatment A+B 36 1 Treatment A ------- Block ------ 37 2 Treatment B 38 3 Treatment A+B 39 1 Treatment A ------- Block ------ 40 2 Treatment B 41 1 Treatment A 42 3 Treatment A+B ------- Block ------ 43 3 Treatment A+B 44 2 Treatment B 45 1 Treatment A ------- Block ------ 46 3 Treatment A+B 47 2 Treatment B 48 1 Treatment A ------- Block ------ 49 1 Treatment A 50 1 Treatment A 51 3 Treatment A+B 52 2 Treatment B 53 3 Treatment A+B 54 2 Treatment B ------- Block ------ 55 3 Treatment A+B 56 1 Treatment A 57 2 Treatment B ------- Block ------ 58 2 Treatment B 59 1 Treatment A 60 3 Treatment A+B ------- Block ------
Study e.g. psychology, 80 subjects, 2 intervention groups (Red vs. Blue), unbalanced design (Ratio 1 vs. 3, i.e. 20 vs. 60 subjects), permuted blocks (fixed size 8), seed 996558272	Example 3 Seed: (996558272) 1 1 Red 2 2 Blue 3 2 Blue 4 1 Red 5 2 Blue 6 2 Blue 7 2 Blue 8 2 Blue ------- Block ------ 9 2 Blue 10 1 Red 11 2 Blue 12 2 Blue 13 2 Blue 14 2 Blue 15 2 Blue 16 1 Red ------- Block ------ 17 2 Blue 18 2 Blue 19 2 Blue 20 1 Red 21 2 Blue 22 2 Blue 23 1 Red 24 2 Blue ------- Block ------ 25 2 Blue 26 2 Blue 27 1 Red 28 2 Blue 29 1 Red 30 2 Blue 31 2 Blue 32 2 Blue ------- Block ------ 33 2 Blue 34 2 Blue 35 2 Blue 36 2 Blue 37 2 Blue 38 1 Red 39 1 Red 40 2 Blue ------- Block ------ 41 2 Blue 42 1 Red 43 2 Blue 44 2 Blue 45 2 Blue 46 1 Red 47 2 Blue 48 2 Blue ------- Block ------ 49 2 Blue 50 1 Red 51 2 Blue 52 2 Blue 53 2 Blue 54 2 Blue 55 1 Red 56 2 Blue ------- Block ------ 57 2 Blue 58 1 Red 59 1 Red 60 2 Blue 61 2 Blue 62 2 Blue 63 2 Blue 64 2 Blue ------- Block ------ 65 1 Red 66 2 Blue 67 2 Blue 68 2 Blue 69 2 Blue 70 2 Blue 71 2 Blue 72 1 Red ------- Block ------ 73 2 Blue 74 2 Blue 75 1 Red 76 1 Red 77 2 Blue 78 2 Blue 79 2 Blue 80 2 Blue ------- Block ------