Table 3.

Baseline DXA measurements and whole body composition

	Potassium Citrate (n=19)	Potassium Chloride (n=11)
Lumbar spine
BMD (g/cm2)	0.96±0.15	0.96±0.10
T score	−1.15±1.29	−1.17±0.97
Z score	−0.67±1.41	−0.92±1.05
Hip
BMD (g/cm2)	0.90±0.13	0.94±0.12
T score	−0.77±0.86	−0.59±0.78
Z score	−0.43±0.95	−0.34±0.71
Femoral neck
BMD (g/cm2)	0.76±0.12	0.78±0.08
T score	−1.13±0.87	−1.09±0.56
Z score	−0.50±0.95	−0.44±0.46
Body weight, kg	71.0±11.6a	86.2±14.6
Total body lean mass, g	52,587±8374a	61,900±6686
Total body fat mass, g	17,489±7778	23,812±9410
Total BMC, g	2340±404	2695±294
Total body fat, %	23.6±8.7	26.1±5.7
BMI, kg/m2	23.9±3.1a	26.8±4.3

DXA, dual-energy X-ray absorptiometry; BMD, bone mineral density; BMC, bone mineral content; BMI, body mass index.

^aP≤0.01 versus potassium chloride.