|Table 4: Percent of light reduced over oxygen hood under daytime and nighttime conditions of all cover types and differences in light reduction between covers.|
|Comparison not available because only one receiving blanket was tested, and no mean is available.|
†Crochet versus quilt: daytime: , ; nighttime: , .
‡Crochet versus flannel: daytime: , ; nighttime: , .
±Crochet versus commercial: daytime: . ; nighttime: , .