Table 3 Serum bone metabolism markers of B–C groups before and 6 months after surgery.

From: The effectiveness of intravenous zoledronic acid in elderly patients with osteoporosis after rotator cuff repair: a retrospective study

Item

Group B (n = 30)

Group C (n = 33)

t value

P value

Preoperative serological indexes

 P1NP

45.3 ± 11.2

49.6 ± 13.8

1.35

0.1822

 OSTEOC

17.8 ± 5.7

19.9 ± 6.1

1.41

0.1643

 B-LAP

14.8 ± 5.5

17.1 ± 5.9

1.60

0.1157

 β cross

0.70 ± 0.14

0.73 ± 0.11

0.95

0.3458

 T-25 OHD

18.5 ± 6.4

16.1 ± 5.3

1.63

0.1090

Serological indexes of 6 months after surgery

 P1NP

26.3 ± 7.8**

46.7 ± 10.1

8.91

 < 0.001

 OSTEOC

12.2 ± 4.1**

17.3 ± 5.2

4.29

 < 0.001

 B-LAP

11.9 ± 3.6*

14.9 ± 4.8

2.78

0.0071

 β cross

0.31 ± 0.08**

0.70 ± 0.12

15.30

 < 0.001

 T-25 OHD

23.4 ± 7.2**

22.1 ± 6.4**

0.76

0.4509

  1. Significant values are in [bold].
  2. *Indicates P < 0.05 compared to preoperative.
  3. **Indicates P < 0.01 compared to preoperative.
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