Table 2.
Contributing factors |
Group 1 |
Group 2 |
Significance |
---|---|---|---|
|
(18-64 years) |
(≥65 years) |
|
N=250 | N=232 | ||
Gender |
|
|
χ²=0.292 |
male |
111 (44.4%) |
92 (39.7%) |
|
female |
139 (55.6%) |
140 (60.3%) |
|
BMI(kg/m²) |
32.2a (18.4-63.9) |
30.5 (18.5-57.2) |
p=0.006 |
Diabetes |
35 (14.0%) |
49 (21.1%) |
χ²=0.109 |
Cardiovascular disease |
114 (45.6%) |
147 (63.4%) |
χ²<0.001 |
Respiratory disease |
58 (23.2%) |
40 (17.2%) |
χ²=0.104 |
Current Tobacco Use |
51 (20.4%) |
6 (2.6%) |
χ²<0.001 |
Allergies |
121 (52.6%) |
97 (46.0%) |
χ²=0.234 |
Steroid medication |
53 (21.2%) |
68 (29.3%) |
χ²=0.081 |
Preoperative NSAID |
83 (37.7%) |
107 (46.1%) |
χ²=0.010 |
Previous BMP exposure | 10 (4.0%) | 8 (3.4%) | χ²=0.740 |
BMI=Body Mass Index, BMP=Bone morphogenetic protein, NSAID= non-steroidal anti-inflammatory drugs.