Fractal Characteristics of Porosity of Electrospun Nanofiber Membranes

Table 4

Correlation fractal dimension of the porosity distribution.

Number of samples	Correlation fractal dimension	Straight line intercept	Correlation coefficient	F test	Collinear interval left-end point	Collinear interval right-end point	M value
1	1.56139686172	−9.8763242714585	0.97572039	10247.6407	301	557	10
2	1.38839671912	−8.3838786693477	0.96888635	3705.6886	264	384	36
3	1.44812324781	−8.945075864163	0.98810103	15777.7817	278	469	35
4	1.4315907248	−8.3576487968196	0.95253119	1986.5803	261	361	34
5	1.4846835618	−9.4652715877316	0.97047590	6837.0920	387	596	14
6	1.58022407525	−10.491951920014	0.95075924	2934.8740	623	776	23
7	1.33696289787	−8.4468109385468	0.95156398	3536.2426	393	574	15
8	1.55601201630	−9.3009103192696	0.92082875	1407.3325	289	411	17
9	1.62172150467	−9.797105817880	0.94754834	1842.6480	339	442	45
10	1.69049555394	−10.436913933398	0.96850045	7163.9328	239	473	16
11	1.39038706342	−8.1930399219638	0.92011168	1209.3348	280	386	26
12	1.43218883519	−8.8340433166209	0.97796717	7678.9222	242	416	12
13	1.35997149018	−8.2296202827107	0.92136516	2648.0441	249	476	20
14	1.61659512319	−9.391379672001	0.90790099	995.6459	249	351	22
15	1.35311753723	−8.0186328299234	0.94924793	2225.7320	267	387	13
16	1.02169015267	−6.1646549547954	0.94651734	1840.5557	338	443	40
17	1.50027056401	−8.8875693433643	0.92285285	992.8661	308	392	20
18	1.4409252032	−9.0887640173833	0.97236387	7177.6416	330	535	10
19	1.54486251839	−9.1404089326107	0.93143693	1181.9048	302	390	33
20	1.50943945985	−8.8179988551138	0.90004084	819.3718	257	349	20
21	1.39264037832	−9.1939612974754	0.96590318	10339.8107	380	746	11
22	1.32247337693	−8.0590456568434	0.95292453	3906.8002	269	463	10
23	1.41210304077	−8.5260610755409	0.95869219	3202.7729	208	347	9
24	1.55990236576	−9.6005829927966	0.95863387	3267.5858	343	485	15
25	1.66255509007	−10.142526043924	0.94636998	2099.9066	341	461	21
26	1.41933998306	−9.2910837497103	0.97327046	6590.5368	304	486	12
27	1.55758791438	−9.4910847598210	0.98852764	15251.3988	239	417	9
28	1.44789169077	−8.7761030513857	0.9733818	3876.2389	253	360	18
29	1.59986009698	−10.023238276336	0.95830634	4321.0791	356	545	11
30	1.42842868531	−8.9589363493934	0.93127739	1395.7789	453	557	36