Table 1 Correlation of relative search volumes (RSV) between specific internet search terms concerning cataract surgery and corneal transplantation in Germany between March 2017 till June 2019 and laser refractive procedures from 2010 till 2020 and totally performed surgical procedures.
German search term (english translation in brackets) | Relative search volume trend | Pearson correlation (2 Tailored) | p value |
---|---|---|---|
Grauer star OP (cataract surgery) | Increasing | r = 0.59 | p < 0.05 |
Nach grauer star OP (after cataract surgery) | Increasing | r = 0.60 | p < 0.05 |
Katarakt OP (Cataract surgery) | Increasing | r = 0.33 | Not significant |
Grauer star OP Erfahrung (Cataract surgery personal experience) | Increasing | r = 0.17 | Not significant |
Katarakt (cataract) | Constant | r = 0.08 | Not significant |
Linsen Tausch (Lens Exchange) | No data available | – | – |
Katarakt-, Linsen-Chirurgie (Cataract-, Lens- surgery) | No data available | – | – |
Linsen operation (lens operation) | No data available | – | – |
Hornhauttransplantation (corneal transplantation) | Constant | r = 0.69 | p < 0.05 |
DMEK | Increasing | r = 0.55 | p < 0.05 |
Keratoplastik (keratoplasty) | Constant | r = 0.23 | Not significant |
Spenderhornhaut (donor cornea) | No data available | – | – |
DALK‚ DSAEK, schichtweise Hornhauttransplantation (DALK, DSAEK, lamellar corneal transplantation) | No data available | – | – |
Augenlasern (Eye laser) | Decreasing | r = 0.83 | p < 0.05 |
Augen lasern kosten (Costs of eye laser) | Constant | r = 0.69 | p < 0.05 |
LASIK | Low | r = 0.18 | Not significant |
LASIK augen OP (LASIK eye surgery) | Low | r = 0.08 | Not significant |
PRK, trans PRK | No data available | – | – |