Table V.
Patient Demographics, Select Comorbidities, and Functional Outcome by Site.
| Boston (n=63) | Tanzania (n=39) | P | |
|---|---|---|---|
| Age, mean (range), years | 58.0 (21.9-92.7) | 43.4 (18.2-80.1) | <.001 |
| Gender | .79 | ||
| Male | 42/63 (67) | 25/39 (64) | |
| Female | 21/63 (33) | 14/39 (36) | |
| Obese (BMI > 30) | 14/63 (22) | 1/39 (3) | .006 |
| Comorbidities | |||
| Smoke | 11/63 (17) | 3/39 (8) | .16 |
| Diabetes | 32/63 (59) | 8/39 (20) | .002 |
| CVA | 11/63 (17) | 0/39 (0) | .006 |
| COPD | 5/63 (8) | 0/39 (0) | .07 |
| Etiology | .001 | ||
| Dysvascular | 36/63 (57) | 8/39 (20) | |
| Trauma | 18/63 (29) | 23/39 (59) | |
| Other | 9/63 (14) | 8/39 (20) | |
| Type | .04 | ||
| BKA | 49/63 (78) | 23/39 (59) | |
| Knee/AKA | 14/63 (22) | 16/39 (41) | |
| Pre-operative Ambulatory Status | .003 | ||
| Ambulatory | 54/61 (88) | 25/39 (64) | |
| Non-ambulatory | 7/61 (11) | 14/39 (36) | |
| Time from Amputation | .37 | ||
| 3-12 mos | 21/63 (33) | 8/39 (20) | |
| 1-4 years | 19/63 (30) | 14/39 (36) | |
| > 5 years | 23/63 (36) | 17/39 (44) | |
| Graduated High School | 53/63 (84) | 23/39 (59) | .004 |
| Marital Status | |||
| Married | 26/63 (41) | 26/39 (67) | .01 |
| Single | 37/63 (59) | 13/39 (33) | |
| Social Integration, median (IQR) | 100 (64-100) | 100 (61-100) | .93 |
| 6MWT | .35 | ||
| No Walk | 10/63 (16) | 3/39 (8) | |
| Slow Walk | 22/63 (35) | 12/39 (31) | |
| Fast Walk | 31/63 (49) | 24/39 (61) |
P values are from the Chi-square test, except for age which is from a t-test.
BMI Body Mass Index; COPD Chronic Obstructive Pulmonary Disease; CVA Cerebral Vascular Accident; BKA Below the Knee Amputation; AKA Above the Knee Amputation; 6MWT Six Minute Walk Test.