Table 1 Reported preanalytical and analytical factors in the studies included in the meta-analysis of Rasyid et al.

From: Preanalytical and analytical factors in the mean platelet volume: a potential cause of heterogeneity in studies of erectile dysfunction

Paper (ref)

Setting

Time

Anticoagulant

Storage

Instrumentation

P

Aldemir (14)

NS

Immediate

EDTA

NS

NS

0.45

Bayraktar (10)

OP

Immediate

EDTA

NS

Sysmex XT 200i

<0.0001

Ciftci (13)

NS

Immediate

EDTA

NS

Abbott Aeroset

0.663

Culha (42)

OP

NS

NS

NS

Abbott Cell-Dyn Ruby

0.001

Eltaieb (37)

OP

NS

NS

NS

NS

<0.001

Guo (40)

OP

Immediate

EDTA

NS

Abbott CELL-DYN 3700 SL

0.001

Otunctemur (9)

OP

NS

NS

NS

NS

<0.05

Resorlu (39)

NS

NS

NS

NS

NS

0.011

Senturk (38)

OP

NS

NS

NS

NS

0.309

Tangal (41)

OP

Immediate

EDTA

NS

Coulter Gen.S®

0.001

Wang (36)

NS

Immediate

EDTA

NS

NS

<0.05

  1. Ref reference number of the paper, as per Rasyid et al., NS not stated, OP outpatient, EDTA ethylenediaminetetraacetic acid.