Table 1 Cohort demographics and ELS classification of resection
Variable | Number (% or range) |
|---|---|
Number of patients | 48 |
Male | 40 (83) |
Female | 8 (17) |
Average age at treatment | 69 years (30–87 years) |
Average time to last follow-up | 74 months (0–176) |
Smoking status available | 45 (94) |
Smoking Hx | 36 (80) |
Non-smoker | 9 (20) |
Left true cord | 22 (46) |
Right true cord | 26 (54) |
ELS classification | |
Class I | 9 (20) |
Class II | 22 (48) |
Class III | 11 (24) |
Class IV | 1 (2) |
Class V | 3 (7) |
Va | 1 (2) |
Vb | 0 (0) |
Vc | 2 (4) |
Vd | 0 (0) |
Class VI | 0 (0) |
Missing | 2 (4) |