Role of HLA-B Alleles and Clinical Presentation of B27 Negative Spondyloarthritis Patients from Mumbai, Western India

Table 2

Clinical presentation of B27 negative SpA patients.

Serial number	Character	B27 negative; 𝑛=100	Normal controls; 𝑛=100
1	Age of onset	%	%
	≤15	11	14
	16–30	52	21
	31–45	30	58
	>45	7	7
2	Sex:
	M	80	56
	F	20	44
3	Fam H/O arthritis	13	0
4	Polyarticular arthritis >3 Jts	40	0
5	Pauciarticular	35	0
6	Monoarticular	25	0
7	Chest exp ≤5 cm	25	0
8	Spine flx ≤5 cm	50	0
9	Tend SI JT	25	0
10	Knee jt	54	0
11	Ankle jt	30	0
12	L-spine	38	0
13	C-spine	43	0
14	Hip jt	46	0
15	SI jt	25	0
16	Shoulder jt	7	0
17	Wrist jt	11	0
18	Foot jt	7	0
19	Hand jt	9	0
20	Enthesitis	84	0