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Table 4 Analysis of bronchopulmonary dysplasia for the IVIG trial

From: Analysis of neonatal clinical trials with twin births

Birth weight stratum

Analysis

Estimated correlation

Odds ratio

Standard error

95% Confidence interval

501 to 1000 g

Logistic

N/A

0.912

0.122

(0.702,1.185)

 

GLMM

0.438

0.898

0.127

(0.649,1.146)

(n = 903 babies)

GEE

0.361

0.901

0.122

(0.691,1.175)

1001 to 1500 g

Logistic

N/A

0.944

0.155

(0.683,1.303)

 

GLMM

0.537

0.923

0.138

(0.651,1.194)

(n = 1509 babies)

GEE

0.557

0.882

0.155

(0.626,1.244)

  1. Randomization was done independently for twins. The multiple gestation rates were 15% and 16% for the 501 to 1000 g babies and 1001 to 1500 g babies, respectively.