Table 2

Outcomes for all patients


Azithromycin Group
(n = 19)
Placebo Group
(n = 16)
p-value

Mortality-no. (%)
5 (26.3)
4 (25)
0.9
Incidence of BPD-no. (%)
9 (64.3)
10 (83.3)
0.26
Duration of Mechanical Ventilation-median (range)
10 (1–145)
16 (1–112)
0.40
Postnatal-steroid
6 (31.5)
10 (62.5)
0.05
Days of CPAP (range)
6 ± 7
6 ± 6
0.84
Grade III or IV IVH-no. (%)
5 (26)
5 (33)
0.65
PVL on HUS-no. (%)
1 (5)
3 (19)
0.20
Abnormal Transaminases (AST)
0
1
0.20
Bilirubin Peak
6.5 ± 2
6.3 ± 1.9
0.68
Days to full feeds‡
18 ± 5
18 ± 54
0.95
Feeding intolerance*-no. (%)
5 (26)
9 (56)
0.07
Necrotizing Enterocolitis-no. (%)
0
1 (6)
0.20
Abnormal hearing screen-no. (%)
0
3 (25)
0.08
Bacterial Infection:



Blood-no. (%)
10 (52)
6 (38)
0.35
Urine-no. (%)
1 (5)
4 (25)
0.15
CSF-no. (%)
0
2 (12)
0.20
Fungal Infection:



Blood-no. (%)
3 (16)
2 (12)
0.78
Urine-no. (%)
0
2 (12)
0.20
CSF-no. (%)
1 (5)
0
1
Days of Antibiotics§
10 ± 10
19 ± 21
0.10
Caffeine Therapy-no. (%)
13 (68)
10 (62)
0.71
PDA†-no. (%)
10 (52)
12 (75)
0.16
Courses of indomethacin


0.49
Median
1
1

Interquartile range
0–1
0–2

PDA ligated-no. (%)
3 (15)
4 (25)
0.49
Diuretics-no. (%)
6 (31)
8 (50)
0.26
Days of Diuretics
14 ± 30
21 ± 38
0.53
Bronchodilators-no. (%)
5 (26)
8 (50)
0.14
Days of Bronchodilators
10 ± 25
18 ± 24
0.34
Hospital days
67 ± 40
78 ± 50
0.47

All data analysis was performed using ANOVA (mean ± sd), except for indomethacin and days of mechanical ventilation, which was analyzed using median test. *Defined as feeds being held for more than 24 hours, while on study. †Confirmed by echocardiogram. ‡Defined as when TPN was discontinued. §Excluding azithromycin.

Ballard et al. Respiratory Research 2007 8:41   doi:10.1186/1465-9921-8-41