Table 1.
Baseline characteristics of cases in the two groups
| Variable | Group I (n=26) |
Group II (n=19) |
P-value |
|---|---|---|---|
| Age, years (mean ± SD) | 56.3±4.5 | 57.1±5.8 | 0.630a |
| Sex, n (%) | 0.787b | ||
| Male | 12 (46.2%) | 8 (42.1%) | |
| Female | 14 (53.8%) | 11 (57.9%) | |
| Side, n (%) | |||
| Left | 12 (46.2%) | 11 (57.9%) | 0.436b |
| Right | 12 (46.2%) | 8 (42.1%) | 0.787b |
| Bilateral | 2 (7.6%) | 0 | 0.501c |
| Grade, n (%) | 0.878b | ||
| 2 | 9 (34.6%) | 7 (36.8%) | |
| 3 | 17 (65.4%) | 12 (63.2%) | |
| Follow-up time, months (mean ± SD) | 29.9±5.2 | 27.1±7.5 | 0.138a |
Notes:
a
Student’s t-test;
b
chi-square test;
c
Fisher’s exact test.
Abbreviation: SD, standard deviation.