Characteristics | Original Cohort | Over/Under Sampled Amputation Cohort | Over/Under Sampled Death Cohort | Over/Under Sampled Reintervention Cohort | ||||
---|---|---|---|---|---|---|---|---|
Mean/N | StdDev/% | Mean/N | StdDev/% | Mean/N | StdDev/% | Mean/N | StdDev/% | |
Age in years | ||||||||
 65–69 | 22,981 | 26 | 30,615 | 34 | 17,346 | 20 | 26,677 | 30 |
 70–74 | 18,257 | 21 | 19,027 | 21 | 15,173 | 17 | 19,456 | 22 |
 75–79 | 15,405 | 17 | 14,556 | 16 | 13,975 | 16 | 15,355 | 17 |
 80–84 | 13,639 | 15 | 11,585 | 13 | 14,851 | 17 | 13,006 | 15 |
 85 +  | 18,616 | 21 | 13,115 | 15 | 27,553 | 31 | 14,404 | 16 |
Dual Eligible | 22,235 | 25 | 23,440 | 26 | 26,287 | 30 | 22,371 | 25 |
White | 73,125 | 82 | 71,669 | 81 | 73,812 | 83 | 69,908 | 79 |
Female | 46,828 | 53 | 39,992 | 45 | 46,610 | 52 | 42,616 | 48 |
Foot exam | 45,971 | 52 | 46,291 | 52 | 47,607 | 54 | 42,122 | 47 |
Vascular Image | 38,393 | 43 | 38,089 | 43 | 41,946 | 47 | 40,594 | 46 |
HbA1c | 44,181 | 50 | 48,853 | 55 | 35,303 | 40 | 47,797 | 54 |
Urban | 72,157 | 81 | 67,921 | 76 | 71,880 | 81 | 70,376 | 79 |
Charlson Count | 1.73 | 1.69 | 1.85 | 1.69 | 2.08 | 1.84 | 1.93 | 1.78 |
Death | 3,977 | 4.5 | Â | Â | 44,495 | 50 | Â | Â |
Amputation | 1,407 | 1.6 | 44,495 | 50 | Â | Â | Â | Â |
Reintervention | 3,175 | 3.6 | Â | Â | Â | Â | 44,495 | 50 |