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Table 2 Characteristics of included studies

From: Effectiveness of dry needling and injections of myofascial trigger points associated with plantar heel pain: a systematic review

Trial

Design

Number allocated to

experimental and control

groups

Mean age in

years (SD)

% Female

Mean duration

of disease in

months (SD)

Exclusion

criteria

Criteria used to

identify the MTrP

Tillu and

Gupta

(1998)

Quasi-experimental

(one group)

Experimental = 18

49.1 (10.7)

72.3%

25.1 (10.7)

History of heel surgery

or cortisone injection in

last three months

No criteria used

Imamura

et al.

(1998)

Quasi-experimental

(two groups,

non-randomised)

Experimental = 15

(Actual number is unclear but it

would appear that 20 were

recruited and 5 dropped out)

Control = 9 at discharge.

Experimental:

50.0 (12.2)

Control:

44.0 (NR)

89.7%

27.0 (NR)

NR

MTrP identified via

palpation (local

tenderness and taut

band)

Perez-Millan

and Foster

(2001)

Quasi-experimental

(one group)

Experimental = 11

39.5 (12.7)

72.8%

39.0 (5.0)

NR

NR

  1. Key: NR=Not reported