Table 5.

Correlation between baseline clinical condition and macrophage type in MC subgroups

‘Back pain+’ is defined as NRS≥4; ‘Leg pain+’ is defined as NRS≥4; ‘ODI +’ is defined as ODI≥24; N = available/total; Fisher's exact test was used for comparisons between groups; ∗ P-value <0.05

	Back pain+ N (%)	Leg pain+ N (%)	ODI+ N (%)
No MC
M1 dominant (N = 39/49)	24 (62 %)	37 (93 %)	35 (90 %)
M1 = M2 (N = 12/16)	9 (75 %)	12 (100 %)	12 (100 %)
M2 dominant (N = 10/10)	6 (60 %)	10 (100 %)	9 (90 %)
No MF (N = 22/29)	11 (50 %)	15 (65 %)	17 (77 %)
p-value	0.590	0.006∗	0.275
With MC I
M1 dominant (N = 9/12)	7 (78 %)	8 (89 %)	7 (78 %)
M1 = M2 (N = 2/2)	2 (100 %)	1 (50 %)	2 (100 %)
M2 dominant (N = 1/1)	1 (100 %)	1 (100 %)	1 (100 %)
No MF (N = 1/1)	1 (100 %)	1 (100 %)	1 (100 %)
p-value	1.000	0.538	1.000
With MC II
M1 dominant (N = 25/28)	20 (80 %)	23 (88 %)	24 (96 %)
M1 = M2 (N = 9/10)	7 (78 %)	9 (100 %)	8 (89 %)
M2 dominant (N = 5/6)	2 (40 %)	5 (100 %)	5 (100 %)
No MF (N = 19/25)	5 (26 %)	19 (100 %)	18 (95 %)
p-value	0.001∗	0.447	0.815