Table 2. OTS scores, categories and zones for cases in this study.
Score | OTS category | Zone I | Zone II | Zone III | Total (n=169) |
0-44 | 1 | 5 | 6 | 27 | 38 (22.49) |
45-65 | 2 | 13 | 9 | 44 | 66 (39.05) |
66-80 | 3 | 23 | 10 | 14 | 47 (27.81) |
81-91 | 4 | 10 | 3 | 0 | 13 (7.69) |
92-100 | 5 | 3 | 2 | 0 | 5 (2.96) |
n (%)