. 2014 Apr 7;9(4):e92860. doi: 10.1371/journal.pone.0092860

Table 1. Mean ± standard deviation (SD) of body weight, length of epidural cranial migration and number of vertebral body segments dyed cranially by MB after epidural injection in anaesthetized non-pregnant and pregnant sheep.

	Non-pregnant			Pregnant
MB volume (mL/kg)	0.05	0.1	0.2	0.05	0.1	0.2
Body weight (kg)	46.72±1.1	51.14±5.9	48.16±5.6	46.50±4.6	46.74±2.4	50.17±1.4
Length of epidural cranial migration (cm)	14.3±1.3^a	22.4±6.5^a ^b	37.16±3.8^a ^b ^c	19.2±3.0^a ^b ^c ^d	27.3±4.5^a ^b ^c ^d ^e	41.6±1.8^a ^b ^c ^d ^e
Number of stained vertebral body segments (cranial)	1.9±0.7^a	4.9±0.9^a ^b	7.7±0.6^a ^b ^c	4.6±0.5^a ^b ^c ^d	7.2±0.8^a ^b ^c ^d ^e	12.5±0.6^a ^b ^c ^d ^e
Range	L6–L5	L4–L3	L1–T13	L4–L3	L1–T13	T8–T9

^a,b,c,d,e

Same letters within a row indicate a statistical difference (P<0.001).