Table 1.
Summary of overall estimated prevalence values and the three most common causes of fungal keratitis among various groups of patients included in the present meta-analysis (1990 to 2020).
| Patient group | N of studies | Overall estimated prevalence (95% confidence interval) | The most common etiologies | ||
|---|---|---|---|---|---|
| Fist rank | Second rank | Third rank | |||
| Clinically suspected microbial keratitis | 109 | 23.64 (20.39–27.05) | Fusarium spp. | Aspergillus spp. | Curvularia spp. |
| Culture-confirmed microbial keratitis | 10 | 17.89 (6.96–32.42) | Fusarium spp. | Aspergillus spp. | Candida spp. |
| Clinically suspected fungal keratitis | 13 | 43.01 (30.88–55.59) | Aspergillus spp. | Fusarium spp. | Curvularia spp. |
| Pediatric patients (≤16 years) | 8 | 14.88 (6.87–25.11) | Fusarium spp. | Aspergillus spp. | Candida spp. |
| Contact lens wearers | 6 | 18.05 (1.04, 46.91) | Fusarium spp. | Aspergillus spp. | Acremonium spp. |
| Postkeratoplasty | 16a | 8.57 (3.89–14.62) | Fusarium spp. | Aspergillus spp. | Candida spp. |
| 7b | 0.05 (0.00–0.14) | ||||
a
Keratoplasty due to infective keratitis.
b
Keratoplasty due to a variety of indications except infective keratitis.