Table 1 Comparison of rugae shape among both sexes of Egyptian and Malaysian groups
From: A pilot- cross sectional study of palatal Rugae shape and direction among Egyptians and Malaysians
Egyptians | Malaysians | Mann-whitney U test | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Males n = 30 | Females n = 30 | Males n = 30 | Females n = 30 | |||||||||||||
\( \tilde{x} \) | IQR | % | \( \tilde{x} \) | IQR | % | \( \tilde{x} \) | IQR | % | \( \tilde{x} \) | IQR | % | P1 | P2 | P3 | P4 | |
B | 5 | 4 | 45.03 | 6 | 3 | 43.68 | 4 | 3 | 31.47 | 3 | 3 | 27.25 | 0.892 | 0.271 | 0.117 | 0.003a |
C | 2 | 3 | 23.93 | 3 | 2 | 22.53 | 4 | 4 | 30.46 | 4 | 4 | 29.44 | 0.702 | 0.970 | 0.029a | 0.240 |
D | 0 | 1 | 3.42 | 0 | 0 | 2.47 | 0 | 1 | 2.28 | 0 | 1 | 3.41 | 0.574 | 0.550 | 0.803 | 0.359 |
E | 2 | 3 | 21.07 | 3 | 2 | 21.98 | 3 | 2 | 26.90 | 4 | 2 | 29.93 | 0.521 | 0.317 | 0.020a | 0.005a |
F | 0 | 0 | 0.85 | 0 | 0 | 1.92 | 0 | 0 | 0 | 0 | 0 | 0.97 | 0.267 | 0.916 | 0.978 | 0.464 |
X | 0 | 1 | 5.70 | 1 | 1 | 7.42 | 1 | 2 | 8.89 | 1 | 1 | 9 | 0.159 | 0.815 | 0.025a | 0.191 |