Table 2.

Characterization of average, maximum, and minimum expansion-induced area stretch between the in vivo pre-expansion and in vivo post-expansion configurations. Throughout the five-week-long experiment, the expander volume increases weekly by 50 cc until it reaches its final value of 280 cc.

time (weeks)	volume (cc)	ϑavg(−)	ϑmax(−)	ϑmin(−)	error (%)
0pre	0	1.00	1.00	1.00	4.7
0post	50	1.17	2.49	0.41	0.9
1pre	50	1.27	3.25	0.54	1.2
1post	100	1.31	2.79	0.50	1.0
2pre	100	1.38	2.86	0.37	0.9
2Post	150	1.43	3.21	0.33	1.0
3pre	150	1.65	3.21	0.48	1.2
3post	200	1.73	4.08	0.46	1.5
4pre	200	1.73	3.50	0.36	1.2
4post	250	1.77	3.52	0.48	1.2
5pre	250	1.86	3.81	0.73	1.4
5post	280	1.87	4.05	0.53	0.6