Table 2.

Demographics and clinical characteristics

Subject	Sex	Age (yrs)	BMI	Side	Location	Size (mm)	Density (HU)	Composition*
1	Male	36	25.8	Lt	Lower pole	7.0	696	Unknown
2	Female	46	23.4	Rt	Distal ureter	5.8	1,058	71% calcium oxalate monohydrate
3	Female	70	37.4	Rt	Lower pole, lower pole	10.3, 3.8	699, 242	Unknown
4	Female	36	20.3	Rt	Lower pole	7.0	973	80% apatite
5	Male	76	21.5	Rt	Lower pole, lower pole	4.1, 3.3	257, 205	100% calcium oxalate monohydrate
6	Female	43	30.0	Lt	Lower pole	6.9	1,600	94% brushite
7	Female	72	19.7	Lt	Lower pole, lower pole	7.0, 7.0	1,200, 1,200	74% calcium oxalate monohydrate
8	Male	52	20.7	Rt	Distal ureter, lower pole	6.0, 6.0	1,900, 1,366	100% calcium oxalate monohydrate
9	Female	54	24.3	Rt	Lower pole	6.0	1,200	80% brushite
10	Female	38	19.6	Lt	Mid pole	Not applicable	Not applicable	Not applicable
11	Male	84	23.6	Lt	Lower pole	Not applicable	Not applicable	Not applicable
12	Male	72	20.0	Rt	Lower pole	4.5	870	85% calcium oxalate monohydrate
13	Male	63	26.1	Rt	Mid pole	5.9	2,000	55% calcium oxalate dihydrate
14	Male	71	26.0	Lt	Lower pole	3.5	427	72% calcium oxalate monohydrate
15	Female	46	N/A	Lt	Lower pole, lower pole	6.1, 5.5	620, 730	Unknown, No. 2 was a thin crystal growth attached to plaque
16	Male	65	22.1	Rt	Lower pole	4.4	623	100% calcium oxalate monohydrate
17	Male	68	26.3	Rt	Lower pole, mid pole	6.3, 7.0	741, 800	Unknown
18	Female	65	31.2	Lt	Lower pole, lower pole, lower pole	7.9, 4.7, 2.8	931, 213, 328	100% struvite
19	Male	37	19.2	Rt	Mid pole	4.0	731	74% apatite
Total/overall	10 Male, 9 female	Mean (SD) 58±15	Mean (SD) 24±5	11 Rt, 8 lt	21 lower pole, 4 mid pole, 2 ureter	Mean (SD) 5.7±1.7	Mean (SD) 864±495	10 calcium oxalate monohydrate, 3 struvite, 2 apatite, 2 brushite, 1 calcium oxalate dihydrate