Table 8.
Characteristics of Patients Who Were Lost to Follow-up for Unknown Reasons Compared to Those Whose Reasons for Deviation Was Known or Received Guideline Concordant Care
| Variable | Patients Who Did not Deviate or the Reason for Deviation was Known (n = 102) | Patients Lost to Follow-up for Reasons that Could not be Determined (n = 11) | P Value |
|---|---|---|---|
| Age, median (IQR), y | 62 (14) | 56 (16) | .12 |
| Female sex | 60 (59%) | 6 (55%) | .78 |
| Race | .73 | ||
| White | 86 (84%) | 11 (100%) | |
| Black | 4 (3.9%) | 0 (0%) | |
| Asian/Pacific Islander | 8 (7.8%) | 0 (0%) | |
| Hispanic or Latino | 3 (2.9%) | 0 (0%) | |
| Native American | 1 (1.0%) | 0 (0%) | |
| Smoking status | .59 | ||
| Never | 32 (31%) | 3 (27%) | |
| Former | 47 (46%) | 4 (36%) | |
| Current | 23 (23%) | 4 (36%) | |
| Pack-years, median (IQR), ya | 29 (36) | 15 (45) | .74 |
| Years since quit, median (IQR), yb | 17 (20) | 21 (20) | .54 |
| Nodule characteristicsc | |||
| Size | |||
| Median (IQR), mm | 8 (14) | 8 (2) | .81 |
| Size category | .001 | ||
| ≤ 4 mm | 20 (20%) | 0 (0%) | |
| > 4-6 mm | 21 (21%) | 1 (9.1%) | |
| > 6-8 mm | 11 (11%) | 6 (55%) | |
| > 8 mm | 50 (49%) | 4 (36%) | |
| Density | .37 | ||
| Solid | 89 (87%) | 9 (82%) | |
| Partially-solid | 11 (11%) | 1 (9.1%) | |
| Ground-glass opacity | 2 (2.0%) | 1 (9.1%) |
See Table 1 legend for expansion of abbreviation.
a
Among 78 current or former smokers
b
Among 51 former smokers
c
Refers to the dominant nodule