Table 2:

Mean ages in years

		Mean	SD	Minimum	Maximum	P value
Gender	Male	(23, 59.0%)	36.44 ±4.86	28.0	46.0	0.48
	Female	(16, 41.0%)	34.75 ±2.96	29.0	40.0
Specialty groups
	Group I	(8, 20.5%)	36.50 ±5.40	30.0	46.0	0.88
	Group II	(11, 28.2%)	35.36 ±3.53	31.0	43.0
	Group III	(17, 43.6%)	35.88 ±4.58	28.0	44.0
	Group IV	(3, 7.7%)	34.33 ±0.56	28.0	46.0

SD – Standard deviation.