Table 3.
Post-implant |
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Pre-Implant |
3 months |
6 months |
12 months |
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Patient Profile | n | QOL* | % | n | QOL* | % | n | QOL* | % | n | QOL* | % | p-value |
Level 1 | 262 | 220 | 84.0% | 235 | 113 | 48.1% | 211 | 73 | 34.6% | 141 | 49 | 34.8% | < 0.0001 |
Level 2 | 695 | 546 | 78.6% | 649 | 323 | 49.8% | 590 | 251 | 42.5% | 425 | 172 | 40.5% | < 0.0001 |
Level 3 | 330 | 236 | 71.5% | 322 | 149 | 46.3% | 301 | 133 | 44.2% | 228 | 96 | 42.1% | <0.0001 |
Level 4 | 175 | 127 | 72.6% | 163 | 78 | 47.9% | 155 | 67 | 43.2% | 110 | 54 | 49.1% | <0.0001 |
Levels 5–7 | 97 | 61 | 62.9% | 91 | 44 | 48.4% | 83 | 45 | 54.2% | 66 | 30 | 45.5% | 0.1 |
Total | 1559 | 1190 | 76.3% | 1460 | 707 | 48.4% | 1340 | 569 | 42.5% | 970 | 401 | 41.3% | |
P value | < 0.0001 | 0.89 | 0.03 | 0.21 |
Note: The INTERMACS patient profile level is collected prior to implant. This table illustrates the breakdown of patient profile level for those patients who completed the EQ-5D questionnaire at the specified time points. The p-values in the last column reflect differences in rates of completion for each INTERMACS profile across time. The p-values in the last row reflect differences in rates of completion for each INTERMACS profile at a specified time period.
QOL = Patients who answered the EQ-5D-3L (Note: Those patients who did not complete the EQ-5D because they were ‘too sick’ were assigned the VAS=0 and the physical dimensions as extreme problems and were included in this table as EQ-5D form completions).