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. 2018 Sep;52(3):246–253. doi: 10.15644/asc52/3/8

Table 2. A-RPD versus CC-RPD instructions.

Variables Type of prosthesis P-value
A-RPD CC-RPD
N % N %
Were there instructions accompanying the master cast No 15 21.7% 0 0% 0.113
Yes 54 78.3% 11 100%
Have you been asked to design the prosthesis Yes 14 20.3% 0 0% 0.103
No 55 79.7% 11 100%
Type of instructions Verbal 38 55.1% 6 54.5% 0.123
Written 16 23.2% 5 45.5%
No instruction 15 21.7% 0 0%
Will you need to contact the dentist for clarification of the design prior to making the prosthesis? No 44 63.8% 5 45.5% 0.004
Yes 10 14.5% 6 54.5%
No instruction 15 21.7% 0 0.0%
Does the dentist approach you to discuss the design of the case? No 52 75.4% 6 54.5% 0.269
Yes 17 24.6% 5 45.5%
Was the age of the patient mentioned? No 56 81.2% 5 45.5% 0.018
Yes 13 18.8% 6 54.5%
Was the gender of the patient mentioned? No 43 62.3% 3 27.3% 0.084
Yes 26 37.7% 8 72.7%
Was the return date mentioned? No 24 34.8% 2 18.2% 0.482
Yes 45 65.2% 9 81.8%
Was there a design diagram? No 62 89.9% 6 54.5% 0.009
Yes 7 10.1% 5 45.5%

The level of significance (0.05) was adjusted for the 7 tests (0.05/7 = 0.007), which has led to the p-value of less than 0.007 being considered as significant.