Table 5. Comparison of patients experiencing pain and effusion at one year follow-up by number of intraarticular injections received.

	nIACI	Women (n = 111)				Men (n = 21)
		n (%) IACI received	n (%)*	OR (95% CI)	p value	n (%) IACI received	n (%)*	OR (95% CI)	p value
Pain at one year	1	59 (53.1%)	12 (20.33%)	Reference		10 (47.6%)	2 (20%)	Reference
	2	27 (24.3%)	10 (37.03%)	2.30 (0.84–6.30)	0.1039	3 (14.2%)	1 (33.3%)	2 (0.11–34.82)	0.6344
	3	22 (19.8%)	16 (72.7%)	12.40 (4.06–37.8)	<0.0001	5 (23.8%)	4 (80%)	28 (2.06–379.26)	0.0122
	4	3 (2.8%)	3 (100%)			3 (14.4%)	3 (100%)
Effusion at one year	1	59 (53.1%)	7 (11.8%)	Reference		10 (47.6%)	0 (0%)	Reference
	2	27 (24.3%)	5 (18.5%)	1.68 (0.48–5.9)	0.412	3 (14.2%)	1 (33.3%)	2.7 (0.16–46.79)	0.484
	3	22 (19.8%)	13 (59.1%)	13.2 (4.24–41.11)	<0.0001	5 (23.8%)	4 (80%)	22 (1.53–314.3)	0.022
	4	3 (2.8%)	3 (100%)			3 (14.4%)	2 (66.7%)

nIACI: Number of intraarticular corticosteroid injections received, CI: confidence interval, OR: Odds Ratio.

*Patients with pain or effusion at year follow-up depending on the number of IACI received.

Variables expressed by absolute frequencies and percentages for all groups depending on the number of injections received.