Table 3: Mean and Median age of the patients in different series.

StudyStudy periodTotal number of patients Mean age in years Median age in years Age range in years

Bafna et al. [4]1996–20003754.76024–80
Le et al. [7]1980–200458-71.328.3–90.9
Sharma et al. [8]1998–200560-6324–92
Hampl et al. [3]1998–200710257-18–93
Eke et al. [9]1998–20091161.254–79
Soliman et al. [10]2002–200934-56.523–86
Present series2004–20133952.55523–73