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Table 2 Basic study information

From: Sirius Scheimpflug–Placido versus ultrasound pachymetry for central corneal thickness: meta-analysis

Author

Year

Country

Patients/Eyes

Mean age ± SD

(years)

Gender ratio (M/F)

Device manufacturer

      

Sirius

Ultrasound

Kara et al. [13]

2012

Turkey

30/30

28.0 ± 10.0

14/16

Sirius (CSO, Florence, Italy)

DGH-550 (DGH Technology Inc., Exton, PA)

Huang et al. [9]

2013

China

43/43

27.5 ± 7.6

16/27

Sirius (CSO, Florence, Italy)

SP-3000 (Tomey Corp.)

Jorge et al. [12]

2013

Portugal

50/50

36.7 ± 4.8

28/22

Sirius (CSO, Florence, Italy)

SP100 (Tomey, Nagoya, Japan)

Bayhan et al. [11]

2014

Turkey

50/50

29.8 ± 5.0

23/27

Sirius (CSO, Florence, Italy)

(Pacline, Optikon)

Maresca et al. [15]

2014

Italy

35/35

25.9 ± 6.7

10/25

Sirius (CSO, Florence, Italy)

P-1 (Takagi Seiko Co., Ltd., Nagano, Japan)

Yildirim et al. [18]

2015

Turkey

34/34

23.2 ± 7.6

16/18

Sirius (CSO, Florence, Italy)

DGH-550 (DGH Technology Inc., Exton, PA).

Pierro et al. [16]

2016

Italy

28/28

44.0 ± 10.6

8/20

Sirius (CSO, Florence, Italy)

Pachmate DGH55 (DGH Instruments Inc., Exton, PA)

Simsek et al. [17]

2016

Turkey

128/256

33.2 ± 13.0

84/44

Sirius (CSO, Florence, Italy)

OcuScan RxP Ophthalmic Ultrasound System (Alcon Laboratories)

Kumar et al. [14]

2017

India

46/46

24.1 ± 5.0

24/22

Sirius (CSO, Florence, Italy)

SP-3000 (Tomey Corp.)

Kuddusi et al. [19]

2017

Turkey

76/76

38.6 ± 12.5

33/43

Sirius (CSO, Florence, Italy)

Echoscan US-500

Mustafa et al. [20]

2018

Turkey

32/64

23.8

25/7

Sirius (CSO, Florence, Italy)

Aviso A/B (Quantel Medical, France)

Nesrin et al. [21]

2018

Turkey

150/150

42.5 ± 17.0

67/83

Sirius (CSO, Florence, Italy)

iPac ultrasonic pachymeter

  1. SD = standard deviation, CCT = central corneal thickness