Demineralized Bone Matrix Add-On for Acceleration of Bone Healing in Atypical Subtrochanteric Femoral Fracture: A Consecutive Case-Control Study
Table 1
Preoperative patients’ characteristics.
NDBM group ()
DBM group ()
value
Age, year
70 7
63 8
0.08
Female gender
9 (100)
8 (89)
1.00
Fracture on right side
4 (44)
6 (67)
0.64
BMI,
22.4 2.4
24.1 3.2
0.22
Comorbid diseases
Rheumatoid arthritis
0 (0)
2 (22)
0.47
Diabetes
2 (22)
1 (11)
1.00
Renal disease
1 (11)
2 (22)
1.00
Medications used
BPs
8 (89)
9 (100)
1.00
Statin
4 (44)
4 (44)
1.00
Steroids
1 (11)
3 (33)
0.58
PPIs
4 (44)
3 (33)
0.62
Duration of BPs before fracture, year
8.9 2.9
7.6 3.9
0.41
Preoperative laboratory values
Hb, g/dL
11.7 1.4
12.0 1.8
0.72
Albumin, g/L
37.5 2.6
33.1 7.4
0.14
CrCl, mL/minute/1.73 m3
68.4 26.8
76.0 31.8
0.59
Calcium, mg/dL
9.2 0.7
8.6 0.6
0.07
Inorganic phosphate, mg/dL
3.4 0.3
3.3 0.7
0.73
25-OH vitamin D, ng/mL
28.8 9.3
27.8 11.6
0.88
Total P1NP, ng/mL
46.4 60.8
55.0 64.8
0.8
-cross laps, ng/mL
0.24 0.21
0.23 0.19
0.99
PTH, pg/mL
50.5 47.9
51.2 22.8
0.97
Follow-up time, week
125 60
72 40
Value presented as mean standard deviation. Value presented as number of patients (percentage). BMI: body mass index; BPs: bisphosphonates; PPIs: proton pump inhibitors; Hb: hemoglobin. CrCl: creatinine clearance; P1NP: procollagen type 1 N-terminal propeptide. CTX: collagen type 1 C-telopeptide; PTH: parathyroid hormone. Calculated only from the patients receiving BPs. Significant value as .