Table 2.

Symptoms for PNS in COVID-19 Patients.

PNS Neurological Symptom	Incidence and Notes	References
Hypogeusia	5.1% (3.4% in severe cases)	Mao et al. [3]
	19.1%	Bertlich et al. [130]
	10.2%	Giacomelli et al. [78]
	88.0%	Lechien et al. [76]
	71.0%	Yan et al. [77]
	47.2%	Vaira et al. [131]
Hyposmia/Olfactory neuropathy	5.6% (3.4% in severe cases)	Mao et al. [3]
	29.8%	Bagheri et al. [132]
	5.1%	Bertlich et al. [130]
	A two-case study	Kirschenbaum et al. [75]
	85.6%%	Lechien et al. [76]
	68.0%	Yan et al. [77]
	86.1%	Vaira et al. [131]
Diplopia	A two-case study	Dinkin et al. [83]
Facial nerve palsy	A case study	Goh et al. [81]
	A case study	Wan et al. [82]
Facial diplegia	A case study	Caamaño et al. [92]
Neuralgia	2.3% (4.5% in severe cases)	Mao et al. [3]
	A case study	Shors et al. [94]
Guillain-Barré syndrome	A case study	Zhao et al. [84]; Alberti et al. [86]; Ottaviani et al. [87]; Pfefferkorn et al. [88]; Padroni et al. [89]; Chamdessanche et al. [90]; Vaira et al. [131]; Sancho-Saldaña et al. [133]; Sedaghat et al. [134]; Webb et al. [135]
	A five-case study	Toscanoet al. [136]
Miller Fisher syndrome	A two-case study	Dinkin et al. [83]
	A two-case study	Gutiérrez-Ortiz et al. [91]
Polyneuritis cranialis	A two-case study	Gutiérrez-Ortiz et al. [91]
Myasthenic crisis	A case study	Delly et al. [95]
Skeletal muscle injury, rhabdomyolysis	10.7% (19.3% in severe cases)	Mao et al. [3]
	A case study	Jin and Tong [96]