The prevalence of freezing of gait in Parkinson’s disease and in patients with different disease durations and severities

Table 3 The prevalence of FOG in Parkinson’s disease reported in these literatures

Study	FOG, % ( n of freezer/n of PD patients)
Study	In general PD patients	Duration < 5 years	Duration ≥ 5 years	Duration ≥ 10 years	H&Y ≤ 2.5	H&Y > 2.5
Margolesky et al [36]	26.5% (27/102)
Mckay et al [46]	40.0% (26/65)^c				33.3% (15/45)	55.0% (11/20)
Mancini et al [40]	26.6% (25/94)^a
Djaldetti et al [37]	34.8% (15/41)		34.8% (15/41)
Ehgoetz Martens et al [38]	41.6% (92/221)
Kader et al [44]	56.8% (138/243)^a
Sutter et al [45]	41.4% (46/111)^a				37.0% (34/92)	63.2% (12/19)
Forsyth et al [43]	39.0% (30/82)^a
Ricciardi et al [41]	55.8% (24/43)*
Vervoort et al [42]	22.4% (17/76)^a
Shin et al [35]	38.6% (54/141)	29.2% (21/73)	48.4% (31/64)	59.1% (13/22)
Allen et al [21]	49.4% (114/231)
Amboni et al [11]	54.8% (325/593)^a	27.4% (48/175)	65.8% (271/412)	78.3% (148/189)	35.3% (124/351)	82.9% (194/234)
Forsaa et al [22]	27.2% (63/232) ^b			62.5% (145/232)
Gazibara et al [23]	36.7% (110/300)
Lieberman et al [24]		12.7% (27/212)
Lindholm et al [25]	41.1% (58/141)^a
Walton et al [26]	42.4% (86/203) ^a
Bohnen et al [8]	14.0% (20/143)
Ou et al [27]	46.6% (221/474) ^a	36.1% (108/299)	64.6% (113/175)		33.5% (115/343)	82.2% (106/129)
Perez-Lloret et al [28]	38.2% (257/672) ^b	25.4% (85/335)	51.0% (172/337)		31.5% (174/553)	60.0% (150/250)
Auyeung et al [10]				86.5% (148/171)
Contreras et al [29]	44.4% (71/160)^a
Garcia-Ruiz et al [30]		4.4% (2/45)	44.4% (20/45)	68.9% (31/45)
Josiah et al [31]	41.5% (380/916)^b
Coelho et al [32]				62.0% (31/50)		62.0% (31/50)
Moore et al [9]	55.1% (65/118) ^a
Giladi et al (2001)					7.1% (57/800)
Giladi et al (2001)			53.5% (92/172)		22.2% (10/45)	63.8% (81/127)

FOG-Q freezing of gait questionnaire, UPDRS unified Parkinson’s disease rating scale, MDS-UPDRS movement disorder society revised Unified Parkinson’s Disease Rating Scale, FOG freezing of gait, PD Parkinson’s disease, H&Y Hoehn and Yahr staging
^aAccording to the FOG-Q and new FOG-Q
^bAccording to UPDRS and MDS-UPDRS
^cAccording to the FOG-Q or UPDRS

ISSN: 2057-4967