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.