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. 2022 Apr 23;11(9):2370. doi: 10.3390/jcm11092370

Table 1.

Characteristics of the clinical trials included in the systematic review.

Author (Year) Participants and Groups PEDro Score Outcomes Measurements Assessment Time
Irnich et al. (2002) N = 36 6/10 Pain
ROM
Immediate post-intervention (15–30 min after treatment)
Llamas-Ramos et al. (2014) N = 94
(47/47)
8/10 Pain
PPT
ROM
Disability
3 post-intervention evaluations: 1 day, 1 week, and 2 weeks
after the last treatment session
Cerezo-Téllez et al. (2016) N = 130
(65/65)
6/10 Pain
PPT
ROM
Strength
NDI
6 post intervention evaluations:
After 2 sessions; after full
treatment; 15, 30, 90, and 180 days
Sobhani et al. (2017) N = 39
(13/13/13)
5/10 Pain
Catastrophism
ROM
NDI
1 post-intervention evaluation
Manafnezhad et al. (2019) N = 70
(35/35)
6/10 Pain
NDI
PPT
Evaluation prior to each session and final evaluation 1 week
after the last session
Gallego-
Sendarrubias et al. (2020)
N = 101
(47/54)
7/10 Pain
PPT
ROM
NDI
3 post-intervention evaluations: an evaluation after each session and one month after
completion
Stieven et al. (2020) N = 116
(58/58)
8/10 Pain
NDI
Perceived effects
Catastrophism
Sleep quality
Self-efficacy
3 post-intervention evaluations: at 1, 3, and 6 months
Gattie et al. (2021) N = 77
(37/40)
7/10 NDI
Pain
Perceived effects
3 post-intervention evaluations: 4 weeks, at 6 months, and 1 year
Leon-Hernandez et al. (2021) N = 40
(20/20)
7/10 Pain
PPT
NDI
Kinesiophobia
2 post-intervention evaluations: 1 week and 1 month
Stieven et al. (2021) N = 44
(15/14/15)
8/10 PPT
Pain
Immediate post-intervention evaluation and at 10 min
Valiente-Castrillo et al. (2021) N = 60
(21/20/19)
8/10 Pain
NDI
Kinesiophobia
Catastrophism
Depression
Anxiety
Fear Pain
Pain Attitudes
3 post-intervention evaluations:
at the end of the full treatment, at 1 month, and at 3 months

Abbreviations. PPT: Pressure Pain Threshold; ROM: Range of Motion; NDI: Neck Disability Index.