Table 3.

The results of comparison of median length of stay for singletons, twins, and higher order gestations after controlling for baseline characteristics

Gestational age	Singleton Median [IQR]	Twin Median [IQR]	Triplet or More Median [IQR]	p-Value
< 24 weeks	118.25 [102.89, 135.90]	121.74 [108.98, 144.31]	119.13 [103.12, 133.52]	0.0314
24 weeks	105.64 [92.39, 122.88]	112.53 [97.01, 130.71]	118.84 [99.34, 139.54]	<.0001
25–26 weeks	86.80 [73.97, 102.63]	89.66 [76.71, 106.02]	93.50 [81.58, 112.50]	<.0001
27–28 weeks	63.58 [53.24, 76.24]	65.44 [54.93, 77.99]	67.18 [57.36, 81.36]	<.0001
29–30 weeks	43.13 [35.17, 52.99]	44.68 [36.69, 54.57]	45.90 [38.58, 55.91]	<.0001
31–32 weeks	24.94 [18.46, 33.10]	26.93 [20.60, 34.64]	28.91 [22.62, 36.25]	<.0001
33–34 weeks	11.11 [6.62, 16.65]	13.32 [8.89, 18.52]	15.45 [11.26, 20.73]	<.0001
35–36 weeks	2.53 [1.59, 5.06]	3.39 [2.35, 6.46]	5.02 [3.39, 9.99]	<.0001
> 37 weeks	1.57 [1.12, 2.05]	2.53 [1.80, 3.31]	3.51 [2.82, 5.51]	<.0001
Preterm GA Unknown	5.81 [2.50, 13.67]	10.39 [3.45, 33.46]	38.63 [18.92, 69.64]	<.0001