Table 1:

Monthly real-data wait-list queue, wait time, newly added cases and cases completed for ophthalmic surgery in Ontario from January 2019 to February 2020, by subspecialty and priority level^*

Variable	No. or mean ± SD
Variable	All subspecialties	Cataract	Retina	Glaucoma	Cornea	Oculoplastics	Strabismus
Patients waiting for surgery
All urgency levels^†	58 380	54 030	1154	592	833	1247	524
Semiurgent (P2–3)^‡	4688	3983	364	190	45	66	38
Nonurgent (P4)^§	53 692	50 047	789	402	788	1181	486
Wait time, d, mean ± SD
All urgency levels^†	89.6 ± 95.9	93.1 ± 97.5	37.8 ± 58.9	52.0 ± 60.9	92.7 ± 93.5	73.2 ± 65.8	109.3 ± 101.3
Semiurgent (P2–3)^‡	62.8 ± 92.8	80.6 ± 103.2	23.6 ± 46.0	30.6 ± 35.8)	37.6 ± 43.8	31.2 ± 33.6	84.6 ± 145.4
Nonurgent (P4)^§	92.6 ± 95.8	94.1 ± 96.9	51.6 ± 64.3	67.5 ± 70.3	98.6 ± 95.8	79.9 ± 67.2	109.1 ± 88.5
Cases added per month
All urgency levels^†	14 176	12 697	671	230	179	279	115
Semiurgent (P2–3)^‡	1657	1155	330	100	24	36	9
Nonurgent (P4)^§	12 520	11 542	341	130	155	243	106
Cases completed per month
All urgency levels^†	13 661	12 271	631	220	170	254	109
Semiurgent (P2–3)^‡	1390	923	312	91	17	34	9
Nonurgent (P4)^§	12 271	11 348	319	129	153	220	100

Note: P2–4 = priority level 2–4, SD = standard deviation.
↵* Data source: Wait Times Information System, Ontario Health.
↵† Includes semiurgent and nonurgent cases. Urgent cases are not included as they are not adequately documented through Ontario Health.
↵‡ Moderate probability of disease progression. Low probability of disease occurrence or progression affecting morbidity or mortality.
↵§ Minimal risk of disease progression affecting morbidity or mortality.