Table 1.
Patient and cyst characteristics of the three study groups
| Characteristic | Group I (n = 28) | Group II (n = 93) | Group III (n = 251) | P |
| Age1 (yr) | 0.001b | |||
| mean ± SD | 36.32 ± 11.86 | 50.26 ± 13.88 | 45.62 ± 16.01 | |
| Median (range) | 37.0 (17-76) | 53.0 (23-76) | 43.0 (18-79) | |
| Sex | 0.950 | |||
| Male | 15 (53) | 51 (55) | 141 (56) | |
| Female | 13 (47) | 42 (45) | 110 (44) | |
| Previous hydatid disease surgery | 0.204 | |||
| No | 24 (86) | 74 (80) | 219 (87) | |
| Yes | 4 (14) | 19 (20) | 32 (13) | |
| Localization | 0.109 | |||
| Right lobe | 17 (61) | 54 (58) | 178 (71) | |
| Left lobe | 5 (18) | 25 (26) | 48 (19) | |
| Bilateral | 6 (21) | 14 (16) | 25 (10) | |
| No. of cysts1 | 0.284 | |||
| 1 | 22 (78) | 61 (66) | 193 (77) | |
| 2 | 4 (14) | 17 (18) | 39 (16) | |
| 3 | 1 (4) | 7 (8) | 16 (6) | |
| 4 | 1 (4) | 5 (5) | 3 (1) | |
| 5 | - | 3 (3) | - | |
| Cyst diameter1 (cm) | 9.5 (4-24) | 10 (6-29) | 7 (3-31) | 0.001b |
| Position | 0.017b | |||
| Superficial | 24 (86) | 52 (56) | 155 (62) | |
| Deep | 4 (14) | 41 (44) | 96 (38) | |
| Cyst infection | 0.683 | |||
| Negative | 26 (93) | 89 (95) | 234 (93) | |
| Positive | 2 (7) | 4 (5) | 17 (7) | |
Values are mean ± SD, median (range), or n (%).
b
Values indicate a significant difference.
1
Kruskal-Wallis test.