Research Article

The Effects of Switch Therapy in Osteoporosis Treatment after Romosozumab after Comparing with Prior Treatment

Table 1

Baseline characteristics by group.

Naïve groupTeriparatide groupBisphosphonate group value

Number151510
Age (y)80.9 ± 2.380.0 ± 8.474.1 ± 6.40.055
BMI (kg/m2)25.5 ± 6.324.9 ± 5.824.1 ± 3.80.301
BMD: femur (g/cm2)0.519 ± 0.1500.441 ± 0.102a0.511 ± 0.001<0.05a
BMD: lumbar spine (g/cm2)0.709 ± 0.0950.648 ± 0.144a0.693 ± 0.045<0.05a
Serum calcium (g/dl)9.5 ± 0.49.6 ± 0.59.3 ± 0.30.097
eGFR (ml/min/1.73 m2)64.3 ± 18.762.4 ± 20.176.1 ± 12.90.053
P1NP (ng/ml)53.2 ± 18.577.5 ± 19.116.7 ± 5.4a<0.05a
TRACP-5b (mU/dl)321.5 ± 116.6463.0 ± 111.6211.7 ± 56.9a<0.05a
25OHD (ng/ml)11.7 ± 6.510.0 ± 5.6a16.5 ± 5.3<0.05a
Previous fractureNoneNoneNone

Values are expressed as means and standard deviation. aANOVA. BMI: body mass index, BMD: bone mineral density, eGFR: estimated glomerular filtration rate, P1NP: procollagen 1 N-terminal propeptide, TRACP-5b: tartrate-resistant acid phosphatase 5b, and 25OHD: 25-hydroxyvitamin D.