Table 1.

Summary of daily urolithiasis hospitalizations and meteorological variables in Ganzhou from 2018 to 2019.

Variables	Min	P5	P25	Median	P75	P95	Max	$\overline{x}\pm SD$
Total urolithiasis cases	2	26	39	50	63	88	134	52 ± 19
Gender
Male	0	14	22	28	36	52	76	30 ± 12
Female	1	9	16	21	28	38	62	22 ± 9
Age
0–20 years old	0	0	1	2	4	6	10	3 ± 2
21–40 years old	1	4	8	10	13	20	32	11 ± 5
41–60 years old	0	11	19	25	32	46	76	27 ± 11
>60 years old	0	5	8	11	15	23	34	12 ± 6
Meteorological variables
Mean temperature (°C)	1.2	6.6	14.0	20.8	26.9	29.7	31.4	19.9 ± 7.6
Maximum temperature (°C)	2.3	9.6	19.5	26.7	32.5	35.8	37.6	25.3 ± 8.4
Minimum temperature (°C)	−3.0	3.1	10.2	17.0	23.6	25.4	26.9	16.3 ± 7.5
Rainfall (mm)	0.0	0.0	0.0	0.3	3.9	23.8	76.8	4.4 ± 9.2
Relative humidity (%)	34.5	55.8	69.6	77.3	85.0	92.9	97.0	76.5 ± 11.1

Min, minimum; Max, maximum; $\overline{x},$mean; SD, standard deviation. P25 denoted the 25th percentile, P75 denoted the 75th percentile, P90 denoted the 90th percentile, and P95 denoted the 95th percentile.