Kidney stone composition in overweight and obese patients: a preliminary report

Figures & data

Table 1 Summary of the stone characteristics in obese and overweight patients

No	Age (years)	Gender	BMI (kg/m^2)	Stone size, maximum diameter	Stone composition	Stone location
Obese: BMI ≥ 30 kg/m^2
1	57	F	32.4	Medium 1.1 × 1 cm	80% calcium oxalate 10% ammonium 10% uric acid	Left lower calyx
2	41	F	33.3	Medium 1 × 2 cm	70% cystine 30% calcium oxalate	Left renal pelvis
3	33	M	32.1	Medium 1.5 × 2 cm	70% calcium oxalate 30% uric acid	Right middle calyx
4	62	F	34.7	Small 0.4 × 0.3 cm	70% uric acid 20% calcium oxalate 10% ammonium	Right lower calyx
5	37	F	34.5	Small 0.8 × 0.3 cm	80% carbonate apatite 10% calcium oxalate 10% ammonium magnesium phosphate	Left upper calyx
6	58	M	32.3	Large 4.6 × 3.3 cm	60% carbonate apatite 30% calcium carbonate 10% calcium oxalate	Right renal pelvis
7	44	M	33	Small 0.7 × 0.8 cm	50% uric acid 50% calcium oxalate	Right lower calyx
Overweight: BMI ≥ 25 kg/m^2
8	39	M	25.3	Medium 1.7 × 0.8 cm	100% calcium oxalate	Left lower calyx
9	60	M	26.4	Medium 1.1 × 0.8 cm	80% calcium oxalate 10% uric acid 10% ammonium	Left middle calyx
10	33	M	29.6	Large 3.1 × 1.3	50% uric acid 30% ammonium 20% calcium oxalate	Right lower calyx
11	61	M	29.2	Medium 1.9 × 1.4 cm	80% calcium apatite 20% calcium oxalate	Left renal pelvis
12	41	M	29.9	Large 2.8 × 1.7 cm	80% uric acid 20% ammonium	Left middle calyx
13	48	M	28.4	Medium 1.3 × 0.9 cm	90% calcium oxalate 10% phosphate	Right lower calyx
14	59	M	25.6	Medium 1.1 × 0.4 cm	90% calcium oxalate 10% phosphate	Left renal pelvis
15	43	M	25.2	Small 0.6 × 0.35 cm	50% carbonate 40% apatite 10% calcium oxalate	Right renal pelvis
16	39	M	28.3	Small 0.8 × 0.6 cm	70% calcium oxalate 30% uric acid	Left renal pelvis
17	41	F	26.9	Medium 1.3 × 1.0 cm	90% calcium oxalate 10% uric acid	Left renal pelvis
18	39	M	25.3	Medium 1.7 × 0.8 cm	90% calcium oxalate 10% uric acid	Left lower calyx

Abbreviations: BMI, body mass index; F, female; M, male; No, number.