Table 1.
Descriptive Statistics by Total Joint Arthroplasty Location
| All Arthroplasty (n = 2638) |
Total Knee (n = 1265) |
Total Hip (n =1146) |
Total Shoulder (n = 227) |
p-value | |
|---|---|---|---|---|---|
| Sex (% Female) |
53.2% (1404/2638) |
54.3% (687/1265) |
53.7% (615/1146) |
44.9% (102/227) |
0.031 |
| Tobacco Use (% No History) |
56.1% (1299/2316) |
56.9% (625/1099) |
56.9% (577/1014) |
47.8% (n = 97/203) |
0.044 |
| Race (% White/Caucasian) |
92.2% (2432/2638) |
92.1% (1165/1265) |
91.6% (1050/1146) |
95.6% (217/227) |
0.124 |
| Number Surgeries (% 1 Surgery) |
77.2% (2037/2638) |
74.0% (936/1265) |
79.3% (909/1146) |
84.6% (n = 192/227) |
< 0.001 |
| Survey Time (% > 24 months) |
72.0% (1897/2635) |
72.4% (915/1263) |
72.6% (831/1145) |
66.5% (151/227) |
0.158 |
| Pre-Operative Pain (% ≤ 4/10) |
61.3% (1517/2473) |
65.5% (797/1216) |
56.7% (599/1056) |
60.2% (121/201) |
<0.001 |
| Age (%: ≥ 65 years) |
55.7% (1469/2638) |
59.3% (750/1265) |
48.6% (557/1146) |
71.3% (162/227) |
<0.001 |
| BMI (% < 30) |
54.9% (1362/2480) |
47.0% (559/1190) |
63.1% (675/1070) |
58.2% (128/220) |
< 0.001 |
| Comorbidity (% 0-1) |
86.3% (2277/2638) |
85.9% (1087/1265) |
88.0% (1009/1146) |
79.7% (181/227) |
0.003 |
• P-values for frequency differences across arthroplasty location (via chi-square)
• Variables reported dichotomously to match how entered into logistic regression models