Table 1.
Characteristics of neonates with and without bacterial BSIs*
| Case (n = 205) |
Non-Case (n = 2730) |
||||
|---|---|---|---|---|---|
| N (%) | Mean (SD) | N (%) | Mean (SD) | P value† | |
| Sex | |||||
| Female | 96 (46.8) | 1199 (44.0) | .42 | ||
| Male | 109 (53.1) | 1531 (56.4) | |||
| Site | |||||
| NICU 1 | 144 (70.2) | 1550 (56.8) | <.001 | ||
| NICU 2 | 61 (29.8) | 1180 (43.2) | |||
| Length of stay (mean days) | 62.3 (42.9) | 14.3 (19.9) | <.001 | ||
| Birth weight (g) | |||||
| Mean birth weight | 1420 (947) | 2495 (997) | <.001 | ||
| <1000 | 104 (50.7) | 220 (8.1) | <.001 | ||
| 1000-1500 | 37 (18.0) | 296 (10.8) | |||
| 1501-2500 | 28 (13.7) | 841 (30.8) | |||
| >2500 | 36 (17.6) | 1373 (50.3) | |||
| Surgery | |||||
| Yes | 59 (28.8) | 437 (16.0) | <.001 | ||
| No | 146 (71.2) | 2293 (84.0) | |||
| Ventilator | |||||
| Yes | 138 (67.3) | 771 (28.2) | <.001 | ||
| No | 67 (32.7) | 1959 (71.8) | |||
| Ventilator days | 8.2 (12.0) | 2.2 (7.0) | <.001 | ||
| NC-CPAP | |||||
| Yes | 145 (70.7) | 1244 (45.6) | <.001 | ||
| No | 60 (29.3) | 1486 (54.4) | |||
| NC-CPAP days | 8.0 (9.5) | 3.5 (9.0) | <.001 | ||
| Central venous catheter‡ | |||||
| Yes | 182 (88.8) | 950 (34.8) | <.001 | ||
| No | 23 (11.2) | 1780 (65.2) | |||
| CVC days | 16.4 (14.2) | 4.4 (9.7) | <.001 | ||
| TPN | |||||
| Yes | 191 (93.2) | 1101 (40.3) | <.001 | ||
| No | 14 (6.8) | 1629 (59.7) | |||
| TPN days (mean) | 16.1 (13.8) | 4.7 (14.4) | <.001 | ||
| Hand hygiene product | |||||
| 2% Chlorhexidine | 95 (46.3) | 1421 (52.1) | .12 | ||
| Alcohol based | 110 (53.7) | 1309 (47.9) | |||
BSI, bloodstream infection; NC-CPAP, nasal cannula continuous positive airway pressure; TPN, total parenteral nutrition; CVC, central venous catether.
*
N = 2935.
†
All P values are for χ2 tests for categorical variables and t tests for continuous variables.
‡
Includes all central venous catheters, ie, peripherally inserted central catheter (PICC), umbilical catheters, and Broviac catheters.