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Table 2 Characteristics of included studies

From: Effect of aquatic physical therapy on chronic low back pain: a systematic review and meta-analysis

First Author, Year

Country of study

Intervention group(Sample Size)

Control group(Sample Size)

Intervention group (Type of exercise)

Control group (Type of exercise)

Intervention time

Follow up time

Outcomes measures

Abadi et al. 2019 [15]

Sultan

19

20

aquatic exercise

physiotherapy exercise + no exercise

60 min 2 × /wk 12wks

——

modified Oswestry questionnaire

Bello et al. 2010 [16]

Ghana

6

6

water-based exercises

land-based exercises

45-60 min 2 × /wk 6wks

——

Pain: VAS; Trunk flexibility: MSFT,MSET

Costantino et al. 2014 [17]

Italy

27

27

hydrotherapy

physiotherapy treatment

60 min 2 × /wk 12wks

3mons

RMDQ;SF-36

Cuesta-Vargas et al. 2011 [18]

Spain

23

23

MMPTP + DWR

MMPTP

60 min 3 × /wk 15wks

——

pain: VAS; disability: RMDQ; general health:SF-12; physical function: MISL test, dual inclinometer, Biering Sorensen test

Cuesta-Vargas et al. 2012 [19]

Spain

25

24

GP + DWR

GP

30 min 3 × /wk 16wks

48wks

pain: VAS; disability: RMDQ; general health: SF-12

Dundar et al. 2009 [20]

Turkey

32

33

aquatic exercise

land-based exercise

60 min 5 × /wk 4wks

12wks

spinal mobility: modified Schober test; lumbal flexion/extension and rotation: inclinometer, goniometer; pain: VAS; disability: MOLBDQ; quality of life:SF-36

Han et al. 2011 [21]

Korea

9

10

aquatic exercise

no exercise

50 min 5 × /wk 10wks

——

VAS; muscle strength

Mahfouz et al. 2018 [22]

Egypt

20

20

aquatic therapy

conventional physical therapy

60 min 6wks

——

pain: VAS; Disability: ODI; lumbar flexion; Lumbar extension

Nardin et al. 2022 [23]

Brazil

20

20

PBM + DWR

PBM

65 min 2 × /wk 4wks

——

IPAQ-SF; ODI; VAS; 6-min walk test cortisol level; creatine kinase levels

Peng et al. 2022 [24]

China

56

57

therapeutic aquatic exercise

Physical therapy modalities

60 min 2 × /wk 12wks

12mons

RMDQ; NRS; SF-36; SAS; SDS; PSQI; PASS; TSK; FABQ

Sawant et al. 2019 [25]

India

15

15

hydrotherapy

conventional therapy

——

——

VAS; MODI

Yalfani et al. 2020 [26]

Iran

12

12

water pilates

mat pilates

75 min 3 × /wk 8wks

——

pain: VAS; disability: ODQ; balance: BBS

Yücesoy et al. 2021 [27]

Turkey

33

33

balneological + home exercise

home exercise

40 min 5 × /wk 2wks

3mons

pain: VAS, ODI; PGA; DGA; FFD; modified Schober test; SF-36

  1. Note: VAS Visual Analogue Scale, MSFT Modified Schober Flexion Technique, MSET Modified Schober Extension Technique, RMDQ Roland-Morris Disability Questionnaire, SF-36 36-Item Short Form Health Survey, MMPTP Multimodal Physical Therapy Program, DWR Deep-Water Running, SF-12 Short-Form 12, MISL Maximum Isometric Strength of Lumbar, GP General practice, MOLBDQ The modifified Oswestry low back disability questionnaire, ODI Oswestry Disability Index, PBM Photobiomodulation therapy, IPAQ-SF International Physical Activity Questionnaire Short Form, NRS Numeric Rating Scale, SAS Self-Rating Anxiety Scale, SDS Zung Self-rating Depression Scale, PSQI Pittsburgh Sleep Quality Index, PASS Pain Anxiety Symptoms Scale, TSK Tampa Scale for Kinesiophobia, FABQ Fear-Avoidance Beliefs Questionnaire, MODI Modified Oswestry Disability Index, ODQ Oswestry Low Back Pain Disability Questionnaire, BBS Biodex Balance System, PGA Patient’s global assessment, DGA physician’s global assessment, FFD finger-to-floor distance