Table 1.
The mean age of the patients studied, the duration of the disease (expressed in years), and the time from surgery to follow-up (expressed in months).
| Mean | Minimum | Maximum | SD | |
|---|---|---|---|---|
| Age (N = 86) | 57.76 | 34 | 85 | 8.71 | 
| Disease duration | 8.47 | 5 | 20 | 3.08 | 
| Follow-up | 33.48 | 12 | 65 | 7.009 | 
Abbreviations: N, group size; SD, standard deviation.