Table 2 Comparative evaluation of DXA related values.

From: Effect of tamoxifen with or without gonadotropin-releasing hormone analog on DXA values in women with breast cancer

Characteristics

Postmenopause

(TMXF)

Premenopause

(TMXF + GnRH)

P value

No. of patients

63

56

 

Follow up period between DXA scans (months)

13.00 (12.00–14.75)

13.50 (12.00–16.00)

0.246

1st DXA scan

Lumbar spine

BMD values (mg/cm2)

1.17 (1.04–1.31)

1.19 (1.10–1.29)

0.398

Status BMD (n)

(Normal BMD: Osteopenia: Osteoporosis:

60 : 1 : 2

55 : 1 : 0

0.404

Femoral neck

BMD values (mg/cm2)

0.89 (0.83–0.97)

0.88 (0.84–0.97)

0.966

Status BMD (n)

(Normal BMD: Osteopenia: Osteoporosis:

48 : 14 : 1

48 : 9 : 0

0.429

Total femur

BMD values (mg/cm2)

0.97 (0.88–1.06)

0.98 (0.89–1.03)

0.621

Status BMD (n)

(Normal BMD: Osteopenia: Osteoporosis:

53 : 10 : 0

45 : 11 : 0

0.592

TBS

TBS values

1.37 (1.32–1.44)

1.41 (1.37–1.46)

0.036

Status of TBS (n)

(Normal TBS : Degraded TBS : More degraded TBS:

37 : 21 : 5

48 : 8 : 0

0.003

2st DXA scan

Lumbar spine

BMD values (mg/cm2)

1.10 (0.96–1.21)

1.09 (1.02–1.20)

0.686

Status BMD (n)

(Normal BMD: Osteopenia: Osteoporosis:

48 : 12 : 3

51 : 5 : 0

0.061

Femoral neck

BMD values (mg/cm2)

0.89 (0.80–0.96)

0.87 (0.83–0.93)

0.886

Status BMD (n)

(Normal BMD: Osteopenia: Osteoporosis:

44 : 18 : 1

43 : 13 : 0

0.335

Total femur

BMD values (mg/cm2)

0.93 (0.85–1.04)

0.95 (0.86–1.00)

0.489

Status BMD (n)

(Normal BMD: Osteopenia: Osteoporosis:

51 : 11 : 1

43 : 13 : 0

0.487

TBS

TBS values

1.38 (1.32–1.43)

1.39 (1.36–1.43)

0.436

Status of TBS (n)

(Normal TBS : Degraded TBS : More degraded TBS:

39 : 20 : 4

43 : 12 : 1

0.166

  1. TMXF, Tamoxifen; GnRH, gonadotrophin releasing hormone; BMD, bone mineral density; DXA, dual energy X-ray absorptiometry; TBS, trabecular bone score.
Back to article page