Table 2.
Characteristics of patients in studies included in the meta-analysis.
| First author | Date in 2020 | Type | Country | Study population | Number \of pts | Mean age | Collected s/s | Pts with ocular s/s | Positive ocular RT-PCR |
|---|---|---|---|---|---|---|---|---|---|
| Seah et al. [8] | Mar 24 | P | Singapore | Hospitalized | 17 | 37.0† | OE | 1 (5.9) | 0 (0) |
| Hong et al. [9] | Apr 26 | CS | China | Hospitalized | 56 | 48.0 | Q | 15 (26.8) | 1 (1.8) |
| Zhou et al. [10] | Apr 21 | CS | China | Hospitalized | 121 | 48.0† | OE | 8 (6.6) | 3 (2.5) |
| Guemes-Villahoz et al. [11] | Aug 29 | CS | Spain | Hospitalized | 301 | 72.0† | OE | 35 (11.6) | NA |
| Wu et al. [12] | Mar 31 | CS | China | Hospitalized | 38 | 65.8 | OE | 12 (31.6) | 2 (5.2) |
| Zhang et al. [13] | Apr 11 | CS | Chia | Hospitalized∗ | 102 | 57.6 | OE | 2 (2.0) | 1 (1.0) |
| Kumar et al. [14] | May 25 | P | India | Hospitalized | 45 | 31.3 | NA | NA | 1 (2.2) |
| Karimi et al. [15] | May 18 | CS | Iran | Hospitalized | 43 | 56.6 | OE | 2 (4.7) | 3 (7.0) |
| Xie et al. [16] | Apr 26 | P | China | Hospitalized | 33 | 57.6 | OE | 0 (0) | 2 (6.1) |
| Oncul et al. [17] | Aug 21 | CS | Turkey | Hospitalized | 359 | 58.5 | Oph | 16 (4.5) | NA |
| Atum et al. [18] | Jul 3 | P | Turkey | Hospitalized | 40 | 41.4 | OE | 10 (25.0) | 3 (7.5) |
| Li et al. [19] | Sep 17 | P | Hong Kong | Hospitalized | 49 | 57.1 | OE | 0 (0) | 4 (8.2) |
| Xia et al. [20] | Mar 12 | P | China | Hospitalized | 30 | 54.5 | OE | 1 (3.3) | 1 (3.3) |
| Tostamann et al. [21] | Apr 25 | P | Netherland | Healthcare workers | 90 | NA | Q | 31 (34.4) | NA |
| Abrishami et al. [22] | Jun 22 | CS | Iran | Hospitalized | 142 | 62.6 | SL | 92 (64.8) | NA |
| Bostanci Ceran et al. [23] | Jun 6 | CS | Turkey | Hospitalized | 93 | 39.4 | OE | 20 (21.5) | NA |
| Chen et al. [24] | May 18 | P | China | Hospitalized | 535 | 44.0† | Tel; Q | 27 (5)§ | NA |
| Liang and Wu [25] | Mar 18 | P | China | Hospitalized | 37 | NA | OE | 3 (8.1) | 1 (2.7) |
| Guan et al. [26] | Feb 28 | R | China | Hospitalized and outpatient | 1099 | 47.0† | Charts | 9 (0.9) | NA |
| Savastano et al. [27] | Dec 23 | P | Italy | Hospitalized | 50 | 69.6 | OE | 5 (10) | 4 (8) |
| Alizadehsani et al. [28] | Nov 28 | P | Iran | Patients | 123 | 52.0 | OE | 2 (1.6) | NA |
| Dutescu et al. [29] | Nov 25 | P | Germany | Hospitalized | 18 | 66.3 | OE | 5 (27.8) | 5 (27.8) |
| Boz et al. [30] | Nov 23 | CS | Turkey | Hospitalized | 50 | 58.3 | SL | 9 (18.0)§ | NA |
| Meduri et al. [31] | Nov 19 | P | Italy | Hospitalized | 29 | 77.1 | Q; OE | 10 (34.5) | 0 (0) |
| Kaya et al. [32] | Sep 30 | P | Turkey | Patients | 32 | 52.8 | OE | 0 (0) | 5 (16.0) |
| Hanege et al. [33] | Oct 23 | CS | Turkey | Patients | 38 | 48.8 | OE | 0 (0) | 21 (55.3) |
| Pirraglia et al. [34] | Oct 15 | CS | Italy | Hospitalized | 43 | 70.0† | OE | 3 (7.0)§ | 0 (0) |
| Cavalleri et al. [35] | Aug 17 | CS | Italy | Hospitalized | 172 | 64.2 | Q; OE | 40 (23.3) | NA |
| Schettino et al. [36] | Sep 30 | P | Italy | Hospitalized | 190 | 64.6 | Q | 17 (8.9) | NA |
| Mahmoud et al. [37] | Sep 15 | P | Egypt | Hospitalized | 28 | 51.8 | OE; SL | 10 (35.7) | 8 (28.6) |
| Shemer et al. [38] | Sep 14 | P | Israel | Hospitalized | 16 | 58.7 | OE | 3 (18.8) | 0 (0) |
| Lee et al. [39] | Sep 7 | R | Korea | Hospitalized | 103 | 47.4 | Tel; photo | 22 (21.4) | NA |
| Arora et al. [40] | Aug 31 | CS | India | Hospitalized | 75 | 55.7 | OE | 0 (0) | 18 (24.0) |
| Rokohl et al. [41] | Aug 21 | P | Germany | Hospitalized | 108 | 37.9 | Q | 75 (69.4) | NA |
| Sindhuja et al. [42] | Jul 24 | R | India | Hospitalized | 127 | 38.8† | OE | 12 (9.4) | NA |
Num: number; pts: patients; s/s: symptom/sign; P: prospective case series; CS: cross-sectional; R: retrospective case series; NA: nonapplicable; OE: ocular examination; Q: questionnaire; Oph: ophthalmoscopy; SL: slit lamp; Tel: telephone; ∗including healthcare workers; †median age; §including conjunctivitis only.