From: Plasma small ncRNA pair panels as novel biomarkers for early-stage lung adenocarcinoma screening
 | Training stage | Validation stage | ||||
---|---|---|---|---|---|---|
LAC | Benign | Control | LAC | Benign | Control | |
n = 50 | n = 35 | n = 29 | n = 44 | n = 32 | n = 51 | |
Age, years | ||||||
 Mean | 66.3 | 62.1 | 60.6 | 67.5 | 60.2 | 60.1 |
 SD | 7.9 | 9.2 | 8.1 | 10.7 | 14.5 | 7.5 |
 Range | 49–80 | 42–77 | 50–76 | 48–88 | 20–80 | 49–82 |
Gender, n (%) | ||||||
 Male | 21 (42.0) | 18 (51.4) | 13 (44.8) | 20 (45.4) | 17 (53.1) | 25 (49.0) |
 Female | 29 (58.0) | 17 (48.6) | 16 (55.2) | 24 (54.6) | 15 (46.9) | 26 (51.0) |
Smoking history, n (%) | ||||||
 > 5 years | 39 (78.1) | 19 (54.3) | 18 (62.1) | 36 (81.8) | 17 (53.1) | 31 (60.8) |
 < 5 years | 11 (21.9) | 16 (45.7) | 11 (37.9) | 8 (18.2) | 15 (46.9) | 20 (39.2) |
Tumor stage, n (%) | ||||||
 Stage 0–1 | 28 (56.0) |  |  | 26 (59.1) |  |  |
 Stage 2 | 22 (44.0) |  |  | 18 (40.9) |  |  |