Table 2.

Descriptive statistics general population characteristics and examination results (N = 518).

Variables	Min	P25	P50	Mean ± SD	P75	Max
Age	20	48	57	56.34 ± 12.79	65	88
Height	1.42	1.56	1.60	1.62 ± 0.08	1.68	1.88
Weight	36.00	52.63	60.00	61.31 ± 11.71	69.38	100.00
BMI	14.19	20.83	23.12	23.41 ± 3.57	25.55	36.63
Number of refluxes (pH < 4)#	1	29	53	80.46	93	735
% Time spent in reflux#	0	0.90	2.50	5.5	6.8	72.5
Number of long refluxes (T ≥ 5 min)#	0	0	1	2.46	3	34
DeMeester score#	0.40	5.10	11.90	22.18	27.08	256.60

^#Non-normal data, mean ± standard deviation of non-normal data expressed as mean.