Table 1.
Baseline characteristics in Dunn-group versus Shukla-group.
| Dunn-group (N = 97) | Shukla-group (N = 119) | P -value | |
|---|---|---|---|
| Male-n (%) | 53 (55%) | 68 (57%) | .78 |
| Birth weight (grams)* | 1997 ± 1223 | 1902 ± 988 | .54 |
| Gestational age at birth (weeks)* | 32.3 ± 4.8 | 32.1 ± 4.6 | .76 |
| SGA-n (%) | 10 (10%) | 7 (6%) | .31 |
| RDS-n (%) | 31 (32%) | 33 (28%) | .55 |
| Mechanical ventilation-n (%) | 57 (59%) | 62 (52%) | .34 |
| PDA-n (%) | 18 (19%) | 12 (10%) | .08 |
| NEC-n (%) | 3 (3%) | 3 (3%) | 1.0 |
| Sepsis-n (%) | 25 (26%) | 24 (20%) | .33 |
| Catheter-related thrombosis-n (%) | 5 (5%) | 3 (3%) | .47 |
| Cardiac arrhythmia-n (%) | 0 (0%) | 1 (1%) | 1.0 |
| Mortality-n (%) | 7 (7%) | 9 (8%) | 1.0 |
| Successful UVC insertion-n (%) | 69 (71%) | 84 (71%) | 1.0 |
| Successful UVC insertion at first attempt-n/N (%) | 63/97 (65%) | 80/119 (67%) | .77 |
| Successful UVC insertion at second attempt-n/N (%) | 6/19 (32%) | 4/25 (16%) | .46 |
| Successful UAC insertion-n/N (%) | 38/67(57%) | 45/77(58%) | .78 |
SGA: small for gestational age; RDS: respiratory distress syndrome; PDA: persistent ductus arteriosus; NEC: necrotizing enterocolitis; UVC: umbilical-vein catheter; UAC: umbilical-artery catheter.
*Values are given as mean ± SD.