Table 1 Demographic characteristics of patients undergoing limb salvage surgery vs. amputation
Type of Surgery | p value | ||||||
|---|---|---|---|---|---|---|---|
Limb Salvage Surgery | Amputation | Total | |||||
n | % | n | % | n | % | ||
Age; median (IQR) | 17 | (13–28) | 21 | (14–45) | 18 | (13–32) | < 0.0001 |
< 20 | 1135 | 61.2% | 267 | 45.5% | 1402 | 57.4% | < 0.0001 |
20–39 | 399 | 21.5% | 152 | 25.9% | 551 | 22.6% | |
40–59 | 199 | 10.7% | 98 | 16.7% | 297 | 12.2% | |
60+ | 122 | 6.6% | 70 | 11.9% | 192 | 7.9% | |
Sex | |||||||
Male | 1095 | 59.0% | 377 | 64.2% | 1472 | 60.3% | 0.025 |
Female | 760 | 41.0% | 210 | 35.8% | 970 | 39.7% | |
Race | |||||||
White | 1398 | 75.4% | 436 | 74.3% | 1834 | 75.1% | 0.923 |
Black | 295 | 15.9% | 98 | 16.7% | 393 | 16.1% | |
Asian/Pacific Islander | 80 | 4.3% | 28 | 4.8% | 108 | 4.4% | |
Other/Unknown | 82 | 4.4% | 25 | 4.3% | 107 | 4.4% | |
Insurance Status | |||||||
Uninsured | 69 | 3.9% | 33 | 5.7% | 102 | 4.3% | < 0.0001 |
Insured | 1207 | 67.5% | 316 | 54.9% | 1523 | 64.4% | |
Medicaid | 418 | 23.4% | 168 | 29.2% | 586 | 24.8% | |
Medicare | 94 | 5.3% | 59 | 10.2% | 153 | 6.5% | |
Zipcode Income | |||||||
< $38,000 | 345 | 18.8% | 105 | 18.2% | 450 | 18.7% | 0.002 |
$38,000–$47,999 | 398 | 21.7% | 158 | 27.4% | 556 | 23.1% | |
$48,000–$62,999 | 476 | 26.0% | 163 | 28.3% | 639 | 26.5% | |
$63,000+ | 615 | 33.5% | 150 | 26.0% | 765 | 31.7% | |
Zipcode Education | |||||||
21% or more | 381 | 20.8% | 112 | 19.4% | 2009 | 85.1% | 0.258 |
13–20.9% | 443 | 24.1% | 163 | 28.3% | 316 | 13.4% | |
7–12.9% | 568 | 31.0% | 169 | 29.3% | 36 | 1.5% | |
< 7% | 443 | 24.1% | 132 | 22.9% | 575 | 23.8% | |
Urban | |||||||
Metro | 1539 | 85.8% | 470 | 82.7% | 2817 | 85.2% | 0.052 |
Urban | 232 | 12.9% | 84 | 14.8% | 436 | 13.2% | |
Rural | 22 | 1.2% | 14 | 2.5% | 54 | 1.6% | |
Distance from Hospital (Miles); mean (95% CI) | 70.4 | (63.30–77.53) | 59.4 | (51.20–67.65) | 67.8 | (62.03–73.55) | 0.1103 |
Year of Diagnosis | |||||||
< 2006 | 279 | 15.0% | 97 | 16.5% | 376 | 15.4% | 0.067 |
2006–2010 | 748 | 40.3% | 260 | 44.3% | 1008 | 41.3% | |
2011–2015 | 828 | 44.6% | 230 | 39.2% | 1058 | 43.3% | |
Total | 1855 | 75.96% | 587 | 24.04% | 2442 | 100% | |