Table 2 Comparison of baseline characteristics between train set and test set*
Variable | Overall (n = 1314) | Train set (n = 919) | Test set(n = 395) | P value |
|---|---|---|---|---|
Age | 74.00 (66.00–82.00) | 74.00 (66.00–81.00) | 75.00 (65.00–82.00) | 0.600 |
EGFR | 87.83 (72.15–97.14) | 87.82 (71.23–97.12) | 87.90 (72.80-97.21) | 0.914 |
Weight | 60.00 (53.00–70.00) | 60.00 (52.75-70.00) | 60.00 (53.30–70.00) | 0.851 |
BUN | 6.10 (4.80–7.90) | 6.00 (4.80–7.80) | 6.30 (4.90–8.20) | 0.129 |
ALB | 38.00 (35.30–40.60) | 37.90 (35.15–40.65) | 38.20 (35.50–40.60) | 0.307 |
LYM | 1.15 (0.74–1.61) | 1.14 (0.73–1.62) | 1.17 (0.76–1.58) | 0.734 |
PCT | 0.10 (0.07–0.19) | 0.10 (0.07–0.19) | 0.10 (0.08–0.19) | 0.506 |
WBC | 7.51 (5.75–10.20) | 7.59 (5.87–10.38) | 7.39 (5.60–9.99) | 0.126 |
CRP | 10.27 (1.03–51.67) | 10.36 (0.91–51.27) | 10.19 (1.45–52.16) | 0.457 |
DD | 0.60 (0.32–1.23) | 0.61 (0.32–1.25) | 0.58 (0.32–1.21) | 0.650 |
NLR | 0.75 (0.66–0.83) | 0.76 (0.66–0.83) | 0.74 (0.65–0.83) | 0.348 |
Sex | 863 (65.7%) | 603 (65.6%) | 260 (65.8%) | 0.992 |
Temp | 302 (23.0%) | 211 (23.0%) | 91 (23.0%) | 1.000 |
RF | 286 (21.8%) | 208 (22.6%) | 78 (19.7%) | 0.276 |
RH | 215 (16.4%) | 147 (16.0%) | 68 (17.2%) | 0.641 |
DM | 226 (17.2%) | 164 (17.8%) | 62 (15.7%) | 0.386 |
CA | 213 (16.2%) | 156 (17.0%) | 57 (14.4%) | 0.286 |
COPD | 735 (55.9%) | 515 (56.0%) | 220 (55.7%) | 0.957 |
BE | 242 (18.4%) | 170 (18.5%) | 72 (18.2%) | 0.969 |
ILD | 104 (7.9%) | 74 (8.1%) | 30 (7.6%) | 0.865 |
CVD | 508 (38.7%) | 367 (39.9%) | 141 (35.7%) | 0.166 |
HF | 576 (43.8%) | 403 (43.9%) | 173 (43.8%) | 1.000 |
OPTH | 961 (73.1%) | 663 (72.1%) | 298 (75.4%) | 0.242 |
PIPD | 974 (74.1%) | 690 (75.1%) | 284 (71.9%) | 0.255 |
Ery | 351 (26.7%) | 246 (26.8%) | 105 (26.6%) | 0.999 |
NXC | 192 (14.6%) | 142 (15.5%) | 50 (12.7%) | 0.219 |
Result | 319(24.3%) | 214 (23.3%) | 105 (26.6%) | 0.227 |