The epidemiology and treatment of conjunctivitis at Urgent Care Centres in Israel

Figures & data

Figure 1 Flowchart describing the process of identification of patients who met the inclusion/exclusion criteria. Numbers refer to the number of patients at each stage of the process.

Table 1 Age and gender distribution of conjunctivitis cohort

Age group	Male		Female*
	N	%	N	%
0	322	57.8%*	235	42.2%	χ2=64.08, df=10, p<0.001
1–4	567	56.9%*	429	43.1%
5–14	300	58.8%*	210	41.2%
15–17	101	48.8%	106	51.2%
18–21	118	43.9%	151	56.1%*
22–34	475	52.3%	433	47.7%
35–44	329	57.8%*	240	42.2%
45–54	161	49.5%	164	50.5%
55–64	148	41.3%	210	58.7%*
65–74	100	45.5%	120	54.5%*
>75	56	44.4%	70	55.6%*
All	2677	53.1%	2368	46.9%

Note: *Significant difference.

Abbreviations: χ2, Chi-square; df, degrees of freedom.

Figure 2 Distribution of conjunctivitis by age and gender. The red and the blue lines represent females and males, respectively.

Table 2 Age distribution in conjunctivitis, UCC and ED cohorts

Age group	Conjunctivitis		UCC		ED		Z-test
	N	%	N	%	x 1000	%	Z-value (Conjunctivitis-UCC)	Z-value (Conjunctivitis-ED)
0	557	11.04	26,036	4.3	99	3.9	23.22**	25.98**
1–4	996	19.74	81,536	13.5	187	7.3	12.81**	33.77**
5–14	510	10.11	96,555	16	231	9	−11.37**	2.75*
15–17	207	4.10	25,525	4.2	77	3	−0.35	4.57**
18–21	269	5.33	35,867	6	190	7.4	−1.99*	−5.61**
22–34	908	18.00	116,046	19.3	467	18.2	−2.33*	−0.37
35–44	569	11.28	65,168	10.8	283	11.1	1.09	0.41
45–54	325	6.44	51,338	8.5	300	11.7	−5.23**	−11.62**
55–64	358	7.10	45,339	7.5	250	9.7	−1.07	−6.23**
65–74	220	4.36	31,097	5.2	218	8.5	−2.7**	−10.54**
75–84	93	1.84	19,848	3.3	205	8	−5.79**	−16.12**
>85	33	0.65	7,719	1.3	125	4.9	−4.07**	−13.98**
All	5045	100.0	602,074	100	2,563	100

Note: p<0.05* p<0.01**.

Abbreviations: UCC, Urgent Care Centres; ED, emergency departments; Z test, Z-proportion test.

Table 3 Age distribution of UCC and ED conjunctivitis patients

Age group	Conjunctivitis UCC		Conjunctivitis ED		Z-test
	N	%	N	%	Z-value (Conjunctivitis -ED)
0–4	1,553	30.8	1,483	8.7	40.07**
5–14	510	10.1	1,291	7.5	5.96**
15–17	207	4.1	417	2.4	6.45**
18–21	269	5.3	2,569	15.0	−18.13**
22–44	1,477	29.3	5580	32.6	−4.42**
45–64	683	13.5	3,472	20.3	−10.87**
65–74	220	4.4	1,344	7.9	−8.50**
>75	126	2.5	933	5.5	−8.75**
Total	5,045	100.0	17,101	100.0

Note: p<0.05* p<0.01**.

Abbreviations: UCC, Urgent Care Centres; ED, emergency departments; Z test, Z-proportion test.

Table 4 Patients presenting with conjunctivitis and total UCC by day of the week

Day of the week	Conjunctivitis			UCC	Z-test (Conjunctivitis -UCC)
	n	%	n	%	Z-value
Sun	474	9.7	88,796	14.1%	−8.81**
Monday	510	10.5	83,479	13.2%	−5.55**
Tuesday	421	8.6	78,156	12.4%	−8.03**
Wednesday	501	10.3	82,906	13.1%	−5.78**
Thursday	424	8.7	80,473	12.7%	−8.37**
Friday	984	20.2	99,710	15.8%	8.39**
Saturday	1567	32.1	118,413	18.7%	23.86**
Total	4881	100.0	602,073	100.0%	−8.81**

Note: p<0.05* p<0.01**.

Abbreviations: UCC, Urgent Care Centres; ED, emergency departments; Z test, Z-proportion test.