04 October 2025 : Clinical Research
Improving Peripheral Venous Puncture Outcomes in ICU via Vein Grading Management
Yanlin Wang ABCDEFG 1, Xianna Zhu BCDF 1, Tong Li ABCDEF 1, Shengnan Wang BCF 1, Jia Xu B 1, Xiaodan Liu B 1, Meili Li B 2, Yue Wang ABEG 1*DOI: 10.12659/MSM.948786
Med Sci Monit 2025; 31:e948786
Table 3 Comparison of baseline characteristics between the 2 groups.
| Project | Total number (n=512) | Intervention group (n=256) | Control group (n=256) | χ2/Z | P |
|---|---|---|---|---|---|
| Sex [n (%)] | 0.195 | 0.659 | |||
| Male | 298 (58.2%) | 150 (58.6%) | 148 (57.8%) | ||
| Female | 214 (41.8%) | 106 (41.4%) | 108 (42.2%) | ||
| Age (year) | 64.00 [52.00, 75.00] | 66.00 [53.00, 76.00] | 62.00 [51.00, 72.00] | 1.942 | 0.052 |
| SOFA score | 5.0 [3.0, 7.0] | 5 [3.0, 6.8] | 5.0 [3.0, 7.0] | 0.481 | 0.630 |
| Hypovolemic shock | 0.123 | 0.725 | |||
| Yes | 88 (17.2%) | 42 (16.4%) | 46 (18.0%) | ||
| No | 424 (82.8%) | 214 (83.6%) | 210 (82.0%) | ||
| Vascular grading [n (%)] | 7.211 | 0.615 | |||
| Level I | 123 (24.0%) | 52 (20.3%) | 71 (27.7%) | ||
| Level II | 128 (25.0%) | 58 (22.7%) | 70 (27.3%) | ||
| Level III | 176 (34.4%) | 100 (39.1%) | 76 (29.8%) | ||
| Level IV | 85 (16.6%) | 46 (17.9%) | 39 (15.2%) | ||