Suppose we change our minds and decide to enroll 40 patients and use four treatment groups. Use a computer program (such as MINITAB or Excel) to construct the list of random-treatment assignments referred to in Problem 6.1.

Refer to Problem 6.1,

6.1 Anticipating that 20 patients will be entered in the study and two treatments will be used, construct a list of random-treatment assignments starting in the 28th row of the random-number table (Table 4 in the Appendix). 

Table 4: Table of 1000 random digits

 

Gastroenterology

Suppose we are asked to construct a list of treatment assignments for patients entering a study comparing different treatments for duodenal ulcer.

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26 39877 32924 22324 18125 09077 96772 16443 04653 01 54632 02 90374 94143 49295 27 52167 21038 14338 01395 88720 83373 03 43035 97081 28 69644 37198 00028 98195 31653 81712 04 21727 11904 41513 29 71011 62004 87536 70799 57975 55500 05 80985 69282 30 31217 75877 85366 98735 06 40412 58826 94868 52632 31 64990 02999 35521 07 43918 56807 75218 46077 32 48417 23569 59307 46550 47480 33 65059 08 26513 77410 47741 07900 48592 44087 35784 09 18164 44255 30124 34 74526 32601 24482 16981 75264 04402 37332 10 39446 01375 51173 35 51056 58353 11 98617 90298 39005 16638 04680 36 93458 63143 21817 94749 48884 12 16872 44012 37 67883 76343 78155 67733 87092 13 65419 78596 91512 38 06014 60999 87226 36071 05207 36702 88766 14 56804 10498 39 93147 04148 42471 47622 15 78807 79243 13729 81222 40 01099 95731 13294 79028 80447 89252 16 69341 64253 41 01201 58138 13809 17 57239 41871 17566 61200 15994 42 41766 50251 64675 18 25758 04625 43226 32986 43 92736 77800 81996 45646 19 06604 94486 40174 10742 44 45118 36600 68977 68831 56512 00378 20 82259 48945 18183 45 73457 01579 70197 07895 59836 37090 71320 85251 21 50627 46 49465 42914 17277 71148 23768 22 42320 67816 47 15745 37285 39302 23 57133 76610 89104 30481 48 28760 81331 78265 60690 61025 24 76964 57126 87174 49 82193 32787 70451 91141 25 39379 27694 17145 32439 68245 50 89664 50242 12382