Table 1: Demographic characteristics.

Variable

n (%)

Gender

Male

Female

139 (59.7)

93 (39.9)

Age at diagnosis (days), mean [IQR]

20 [1-35]

Weight (grams), mean [IQR]

2,500 [780-4,830]

Weight group

Less than 2 kg

More than 2 kg

88 (37.8)

145 (62.2)

Height (cm), mean [IQR]

44 [31-59]

Premature

83 (35.6)

IQR = interquartile range.