Table 1

Range of serum bilirubin values (in ╬╝mol/l) used as threshold values for phototherapy, by each week of gestation between 23 and 36 weeks

Week of gestation2324252627282930313233343536
Number of observations36505154567674788369701038086
Minimum100808080808080100100150150150200200
25th percentile12090100100115100150150160200200220250250
Median150147150150160160170165200220235250250250
75th percentile250190180175175180200200240250250270270280
Maximum33033033033033033033033033033033370370380
Mean181155155155163156175176198224226240262269
Standard deviation6972727067635553454545433539
Lower 95%158134135137146142163164188213215231255261
Upper 95%205176175175182171189189208235237248271278