Table 5 Multiple Logistic Regression Analyses with Factors Affecting the Risk for Failure of Intravenous Access Devices
Factors | Therapy failure n (%) | Adjusted Odds ratio (OR) | 95% CI for OR | P-value |
|---|---|---|---|---|
Gestation at birth (weeks) | ||||
23-27 weeks | 15 (14.4%) | 1.0 (reference) | ||
28-31 weeks | 21 (11.1%) | 0.53 | 0.24, 1.16 | 0.114 |
32-36 weeks | 5 (4.3%) | 0.12 | 0.04, 0.38 | < 0.001** |
≥ 37 weeks | 11 (25%) | 0.61 | 0.21, 1.78 | 0.363 |
Indwell time catheter | ||||
< =7 days | 23 (31.1%) | 1.0 (reference) | ||
> 7 to 14 days | 18 (7.4%) | 0.14 | 0.06, 0.30 | < 0.001** |
> 14 to 21 days | 7 (7.5%) | 0.10 | 0.04, 0.29 | < 0.001** |
> 21 to 27 days | 1 (4.8%) | 0.06 | 0.01, 0.49 | 0.009* |
> 27 days | 3 (15.0%) | 0.21 | 0.05, 0.89 | 0.034* |