Shape of NPC | Total | p value | |||||
Cylinderical | Funnel | Hourglass | Spindle | ||||
Age group | Group I | 62 | 58 | 8 | 6 | 134 | 0.987 |
Group II | 25 | 22 | 4 | 3 | 54 | ||
Group III | 6 | 5 | 1 | 0 | 12 | ||
Total | 93 | 85 | 13 | 9 | 200 | ||
Percentage distribution | 46.5% | 42.5% | 6.5% | 4.5% | 100% |