Copyright: ©Author(s) 2026.
World J Radiol. Jul 28, 2026; 18(7): 123894
Published online Jul 28, 2026. doi: 10.4329/wjr.123894
Published online Jul 28, 2026. doi: 10.4329/wjr.123894
Table 1 Clinical baseline characteristics of 1035 asymptomatic health examination individuals aged 40 years and above, n (%)
| Index | Total (n = 1035) | Low-risk group | High-risk group | t/χ2/z | P value |
| Age | 52.632 ± 7.987 | 50.812 ± 7.361 | 53.546 ± 8.136 | 5.261 | < 0.001 |
| BMI | 24.244 ± 3.040 | 23.135 ± 2.653 | 24.802 ± 3.070 | 8.612 | < 0.001 |
| Gender | - | - | - | 11.872 | < 0.001 |
| Male | 680 (65.700) | 202 (58.382) | 478 (69.376) | - | - |
| Female | 355 (34.300) | 144 (41.618) | 211 (30.624) | - | - |
| Metabolic status | - | - | - | 121.603 | < 0.001 |
| Abnormal | 524 (50.628) | 91 (26.301) | 433 (62.845) | - | - |
| Normal | 511 (49.372) | 255 (73.699) | 256 (37.155) | - | - |
| Smoking history | - | - | - | 134.002 | < 0.001 |
| Non-smoker | 465 (44.928) | 242 (69.942) | 223 (32.366) | - | - |
| Mild (smoking index ≤ 200) | 134 (12.947) | 32 (9.249) | 102 (14.804) | - | - |
| Moderate (200 < smoking index < 400) | 91 (8.792) | 16 (4.624) | 75 (10.885) | - | - |
| Heavy (smoking index ≥ 400) | 345 (33.333) | 56 (16.185) | 289 (41.945) | - | - |
| Alcohol consumption history | - | - | - | 3.191 | 0.526 |
| Non-drinker | 557 (53.816) | 197 (56.936) | 360 (52.250) | - | - |
| Rarely (< 1/month) | 211 (20.386) | 64 (18.497) | 147 (21.335) | - | - |
| Light (2-4/month) | 145 (14.010) | 50 (14.451) | 95 (13.788) | - | - |
| Moderate (2-3/week) | 54 (5.217) | 15 (4.335) | 39 (5.660) | - | - |
| Heavy (≥ 4/week) | 68 (6.570) | 20 (5.780) | 48 (6.967) | - | - |
| Work style | - | - | - | 14.008 | 0.001 |
| Sedentary behavior | 368 (35.556) | 148 (42.775) | 220 (31.930) | - | - |
| Light physical activity | 231 (22.319) | 60 (17.341) | 171 (24.819) | - | - |
| Moderate-to-high physical activity | 436 (42.126) | 138 (39.884) | 298 (43.251) | - | - |
| High-oil high-salt diet | - | - | - | 0.756 | 0.385 |
| No | 885 (85.507) | 301 (86.994) | 584 (84.761) | - | - |
| Yes | 150 (14.493) | 45 (13.006) | 105 (15.239) | - | - |
| Sleep duration | - | - | - | 1.043 | 0.594 |
| < 6 hours | 57 (5.507) | 16 (4.624) | 41 (5.951) | - | - |
| 6-8 hours | 546 (52.754) | 188 (54.335) | 358 (51.959) | - | - |
| > 8 hours | 432 (41.739) | 142 (41.040) | 290 (42.090) | - | - |
| NYHA class | - | - | - | 1.867 | 0.600 |
| NYHA Class I | 969 (93.623) | 327 (94.509) | 642 (93.179) | - | - |
| NYHA Class II | 60 (5.797) | 18 (5.202) | 42 (6.096) | - | - |
| NYHA Class III | 3 (0.290) | 1 (0.289) | 2 (0.290) | - | - |
| NYHA Class IV | 3 (0.290) | 0 (0.000) | 3 (0.435) | - | - |
| Family history of heart disease | - | - | - | 1.437 | 0.231 |
| No | 650 (62.802) | 208 (60.116) | 442 (64.151) | - | - |
| Yes | 385 (37.198) | 138 (39.884) | 247 (35.849) | - | - |
| Occupational exposure history | - | - | - | 0.019 | 0.891 |
| No | 984 (95.072) | 328 (94.798) | 656 (95.210) | - | - |
| Yes | 51 (4.928) | 18 (5.202) | 33 (4.790) | - | - |
| Family history of lung cancer | - | - | - | 0.000 | 1.000 |
| No | 978 (94.493) | 327 (94.509) | 651 (94.485) | - | - |
| Yes | 57 (5.507) | 19 (5.491) | 38 (5.515) | - | - |
- Citation: He ZY, Zhan ZW, Zhou LJ, Tang J, Chen C, Yang QJ, Tian Q, Wang XH. Development and validation of a clinical factor-based nomogram for predicting imaging-defined cardiopulmonary abnormality risk in an asymptomatic screening population. World J Radiol 2026; 18(7): 123894
- URL: https://www.wjgnet.com/1949-8470/full/v18/i7/123894.htm
- DOI: https://dx.doi.org/10.4329/wjr.123894