GA (weeks) – median (IQR) |
|
25.3 (24.4-26.3) |
BW (grams) – median (IQR) |
|
720 (624-839) |
Male – N (%) |
|
181 (63) |
Inborn - N (%) |
|
233 (81) |
Multiples - N (%) |
|
94 (33) |
Oligohydramnios - N (%) |
|
20 (7) |
Chorioamnionitis - N (%) |
|
82 (29) |
Antenatal steroids - N (%) |
nil |
12 (4) |
|
<24 hours |
90 (31) |
|
completed |
176 (62) |
|
> 7days |
9 (3) |
No. of doses of postnatal surfactant - N (%) |
0 |
3 (1) |
|
1 |
48 (17) |
|
2 |
227 (79) |
|
3 |
8 (2.7) |
|
4 |
1 (0.3) |
No. of prior failed extubation attempts - N (%) |
0 |
196
(69) |
|
1 |
70 (24) |
|
2 |
20 (6.7) |
|
3 |
1 (0.3) |
Days ventilated prior to dexamethasone - median (IQR) |
|
12
(10-29) |
Age at starting dexamethasone (days) - median (IQR) |
|
19
(15-27) |
GA at dexamethasone (weeks) - median (IQR) |
|
28.3
(27-29.8) |
Weight at starting dexamethasone (grams)- median (IQR) |
|
990
(819-1180) |
Starting dose of dexamethasone (mg/kg/day)- median (IQR) |
|
0.17
(0.15-0.48) |
IVABx prior to/at dexamethasone commencement (%) |
|
223
(78) |
Total fluid intake (mL/kg/day)- median (IQR) |
|
172
(157-180) |
PN- N (%) |
|
120 (42) |
Enteral feeding - N (%) |
NBM |
8 (2.8) |
|
breastmilk only |
255 (89) |
|
formula |
20 (6.9) |
|
mixed |
4 (1.3) |
PDA status- N (%) |
echo/open |
140 (49) |
|
echo/closed |
61 (21) |
|
presumed open |
33 (11) |
|
presumed closed |
53 (19) |
Ventilation mode - N (%) |
HFOV |
74 (26) |
|
conventional |
213 (74) |
MAP (cm H2O) - median (IQR) |
|
12
(10-13) |
Average FiO2 24 hours prior to dexamethasone - median
(IQR) |
|
0.36 (0.31-0.41) |
Average SpO2 in 24 hr prior to dexamethasone - median
(IQR) |
|
90 (89-91) |
Last pH before starting dexamethasone - median (IQR) |
|
7.29
(7.24-7.33) |
Variable |
|
Summary stats |
Last pCO2 before starting dexamethasone - median (IQR) |
|
57 (51-62) |
Last Hb before starting dexamethasone (g/L) - median (IQR) |
|
108
(94-123) |
Previous sepsis- N (%) |
nil |
260 (91) |
|
before dexamethasone |
20 (7) |
|
within 5 days of starting dexamethasone |
7 (2) |
Previous airleaks - N (%) |
nil |
221 (77) |
|
pneumothorax |
31 (10.8) |
|
PIE |
22 (7.6) |
|
both |
13 (4.4) |
CXR findings - N (%) |
grade 1 |
4 (1.4) |
|
grade 2 |
169 (59) |
|
grade 3 |
98 (34) |
|
grade 4 |
16 (5.6) |