pISSN 2093-3665
eISSN 2093-3673
pISSN 2093-3665
eISSN 2093-3673
Distribution of frontal sinus lobulations between age groups
| Age Group | Lobes | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of lobes at right frontal sinus | Total | Number of lobes at left frontal sinus | Total | |||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | 4 | 5 | 6 | |||
| Group I | 20 (24.4) | 36 (43.9) | 15 (18.3) | 6 (7.3) | 2 (2.4) | 0 (0) | 79 (96.3) | 19 (23.2) | 24 (29.3) | 26 (31.7) | 7 (8.5) | 2 (2.4) | 0 (0) | 78 (95.1) |
| Group II | 31 (39.2) | 26 (32.9) | 16 (20.3) | 5 (6.3) | 0 (0) | 0 (0) | 78 (98.7) | 18 (22.8) | 35 (44.3) | 15 (19.0) | 6 (7.6) | 3 (3.8) | 1 (1.3) | 78 (98.7) |
| Group III | 31 (37.3) | 28 (33.7) | 14 (16.9) | 4 (4.8) | 1 (1.2) | 0 (0) | 78 (94.0) | 24 (28.9) | 32 (38.6) | 19 (22.9) | 5 (6.0) | 1 (1.2) | 0 (0) | 81 (97.6) |
| Group IV | 34 (41.5) | 23 (28.0) | 16 (19.5) | 3 (3.7) | 3 (3.7) | 0 (0) | 79 (96.3) | 19 (23.2) | 31 (37.8) | 21 (25.6) | 7 (8.5) | 2 (2.4) | 0 (0) | 80 (97.6) |
| Group V | 31 (37.3) | 26 (31.3) | 12 (14.5) | 8 (9.6) | 0 (0) | 1 (1.2) | 78 (94.0) | 18 (21.7) | 34 (41.0) | 19 (22.9) | 5 (6.0) | 3 (3.6) | 0 (0) | 79 (95.2) |
| Total | 147 (36.0) | 139 (34) | 73 (17.8) | 26 (6.4) | 6 (1.5) | 1 (0.2) | 392 (95.8) | 98 (23.9) | 156 (38.1) | 100 (24.5) | 30 (7.3) | 11 (2.7) | 1 (0.2) | 396 (96.8) |
Values are presented as number (%). a)Aage range: group I, 20–29 yr; group II, 30–39 yr; group III, 40–49 yr; group IV, 50–59 yr; group V, 60–69 yr.
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