Table 2 Characteristics of the examined population stratified by group of patients with or without RDS.
|  | GROUP 1 (n. 24) | GROUP 2 (n. 26) § | |||
|---|---|---|---|---|---|
| Â | U. urealyticum positive PCR (n. 5) | U. parvum positive PCR (n. 10) | Ureaplasma negative PCR (n. 9) | U. urealyticum positive PCR (n. 4) | Ureaplasma negative PCR (n. 22) |
Culture identification assay positivity (%) | 1 (20) | 2 (20) | 0 | 2 (50) | 0 |
Median gestational age, weeks (range) | 35+3 (28; 37+5) | 31+2 (23+2; 35+2) | 32+5 (27+2; 37) | 32 (30+5; 34) | 32+4 (30; 37) |
Median birthweight, g (range) | 2530 (1070–3000) | 1660 (720–2950) | 1930 (1030–2690) | 1340 (1140–2260) | 1635 (750–3580) |
Median days of hospitalisation | 30 (22–60) | 33 (7*–60) | 22 (10–70) | 32 (18–42) | 23 (4–60) |
Median Apgar score, 1' (range) | 8 (6–10) | 8 (5–10) | 4.5 (1–10) | 9.5 (8–10) | 7 (1–10) |
Median Apgar score, 5' (range) | 9 (8–10) | 9.5 (8–10) | 10 (3–10) | 9.5 (9–10) | 10 (6–10) |
Gender, male (%) | 1 (20) | 3 (30) | 2 (22.2) | 3 (75) | 6 (27.3) |
Antenatal steroids (%) | 2 (40) | 8 (80) | 2 (22.2) | 3 (75) | 8 (36.4) |
Antenatal ampicillin (%) | 2 (40) | 7 (70) | 3 (33.3) | 2 (50) | 6 (27.3) |
PROM > 12 hours (%) | 0 | 2 (20) | 0 | 1 (25) | 4 (18.2) |
Caesarean delivery (%) | 3 (60) | 5 (50) | 6 (66.7) | 2(50) | 13 (59.1) |
Blood culture positive (%) | 1 (6.7) | 0 | 1 (11.1) | 0 | 0 |
Surfactant (%) | 5 (100) | 10 (100) | 5 (55.6) | 0 | 0 |
PDA (%) | 4 (80) | 10 (100) | 5 (55.6) | 1 (25) | 7 (31.8) |
Neonatal dexamethasone (%) | 6 (40) | Â | 2 (22.2) | 1 (25) | 2 (9.1) |
Mechanical ventilatory requirement (%), median duration (hours) | 5 (100), 60.5 | 9 (100), 72 | 6 (66.7), 72 | 3 (75), 60 | 4 (18.2), 48 |
FiO2 > 0.40 (range) | 5 (0.40) | 9 (0.40–1.00) | 5 (0.40–0.90) | 0 | 0 |
CLD at 28 days (%) | 1 (20) | 1 (10) | 0 | 1 (25) | 0 |
CLD at 36 weeks (%) | 0 | 0 | 0 | 0 | 0 |