Table 1.

Demographic and clinical characteristics of 14 patients with post COVID ReA.

Patient no.	Age	Sex	Comorbidities	History of COVID	Days between onset of COVID and articular symptoms	PCR positive	COVID antibody positivity	CRP (normal value)	Joints involved	No. of joints involved	Inflammatory lower back pain	Enthesitis (site)	Other associated symptoms	Treatment received
1	19	F	–	Yes	20	Yes	Not checked		Left knee	1	Yes	Yes (chest wall)	Myalgia	NSAIDs, low dose steroids
2	37	F	Hypothyroidism	Yes	21	Yes	Not checked	0.51 (<0.3)	Bilateral knees	2	Yes	Yes (Achilles tendinitis)	–	NSAIDs
3	61	F	–	Yes	25	Yes	Not checked		Bilateral knees	2	Yes	Yes (chest wall)	Myalgia	NSAIDs
4	69	M	–	Yes	20	Yes	Not checked		Both shoulders and ankles, left knee	5	Yes	Yes (Achilles tendinitis)	–	NSAIDs, low dose steroids, hydroxychloroquine
5	41	F	Hypertension	Yes	12		Yes	7.4 (<5)	Both ankles, knees and left wrist	5	No	No	–	NSAIDs, low dose steroids
6	45	F	Diabetes, hypertension	No	–		Yes	3.2(<5)	Bilateral knees, ankles and wrists	6	No	Yes (mid foot)	–	Low dose steroids, methotrexate
7	47	F	–	Yes	10		Yes	15.9(<5)	Bilateral ankle joints	2	No	No	–	NSAIDs, IACS
8	55	F	–	Yes	50		Yes		Bilateral knees, ankles	4	No	No	Myalgia	Depot steroids
9	64	M	–	No	–		Yes		Bilateral knees	2	Yes	No	–	NSAIDs
10	49	M	–	No	–		Yes	3.9 (<5)	Bilateral wrists, MCP, left ankle	–	No	Yes (Achilles tendinitis)	–	NSAID, depot steroid
11	55	F	–	No	–		Yes		Bilateral knees	2	No	No	–	NSAIDs
12	36	F	–	Yes	5	Yes	Not checked	47 (<5)	Bilateral ankles	2	No	No	–	NSAIDs, depot steroids
13	28	F	–	Yes	27		Yes	Normal	Bilateral ankles and wrists	4	No	No	Erythematous skin rash	NSAIDs
14	58	F	Hypertension	Yes	15	Yes	Not checked	Normal	Left knee	1	No	No	–	NSAIDs
15	35	F	–	Yes	42	Yes	Not checked	86 (<6)	Bilateral knees and ankles	4	No	No	–	NSAIDs, oral steroids
16	36	M	–	Yes	22	Yes	Not checked	12 (<6)	Left knee, right ankle	2	No	No	–	NSAIDs
17	20	M	–	Yes	18	Yes	Yes		Left ankle, right knee, bilateral first MCPs	4	Yes	No	–	NSAIDs, IACS
18	21	F	–	Yes	45	Yes	Not checked		Bilateral wrists, right knee and ankle, left elbow	5	Yes	Yes (Bilateral Achilles tendinitis)	Bilateral conjunctivitis	NSAIDs
19	48	F	–	Yes	30	Yes	Not checked		Left wrist and shoulder, right ankle	3	No	No	–	NSAIDs
20	45	M	–	Yes	21	Yes	Not checked		Left ankle, right 2nd MCP and PIP, left 3rd MCP	4	No	No	–	NSAIDs
21	26	F	–	Yes	52	Yes	Not checked		Left knee	1	No	Yes (left Achilles tendinitis)	–	NSAIDs
22	56	F	Hypertension	Yes	30	Yes	Not checked		Bilateral wrists, knees, ankles and left shoulder	7	No	No	–	NSAIDs, oral steroids, hydroxychloroquine
23	34	M	–	Yes	28	Yes	Not checked	21 (<6)	Left ankle	1	No	Yes (Left Achilles tendinitis)	–	NSAIDs

CRP, C-reactive protein; F, female; IgG, immunoglobulin G; M, male; MCP, metacarpophalangeal; NSAIDs, non-steroidal anti-inflammatory drugs; PCR, polymerase chain reaction.