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Table 2 Study evaluation according to defined quality criteria

From: Systematic review reveals lack of quality in reporting health-related quality of life in patients with gastroenteropancreatic neuroendocrine tumours

Author, year

HRQoL stated as prim./sec. aima

A priori hypothesis

Instrument rational

Instrument validationb

Cancer-specific instrument

Instrument administration

(Baseline) compliance

Timing of assessments

Missing data reported

Statistical methods for missing data

Power or effect sizes (HRQoL)

Presentation of results adequatec

Clinical significance addressed

HRQoL results discussed

Randomised controlled trials

Arnold et al., 2005 [52]

-

-

+

+

+

-

+

+

+

-

-

-

-

+

Bajetta et al., 2006 [53]

-

-

-

+

+

+

-

+

+

+

-

-

-

+

Caplin et al., 2014 [42] (CLARINET)

+

-

-

+

+

-

-

+

+

+

-

+

-

-

Jacobsen & Hanssen, 1995 [54]

+

-

-

+

-d

-

+

+

+

-

-

-

+

+

Meyer et al., 2014 [55]

+

-

-

+

+

-

+

+

+

-

-

-

-

-

Raymond et al., 2011 [56]

-

-

-

+

+

+

-

+

+

-

-

-

+

+

Rinke et al., 2009 [57] (PROMID)

-

-

-

+

+

-

+

+

-

-

-

-

-

-

Yao et al., 2016 [45] (RADIANT-4)

-

-

+

+

+

+

+

+

-

+

-

n.r.

+

n.r.

Phase II studies

Bodei et al., 2011 [58]

-

-

-

+

+

-

-

+

-

-

-

-

-

+

Bushnell et al., 2010 [59]

-

-

-

+

-

-

+

+

+

-

-

-

-

-

Claringbold et al., 2011 [60]

-

-

-

+

+

-

-

+

+

-

-

-

-

+

Cwikla et al., 2010 [61]

-

-

-

+

+

+

-

+

+

-

-

-

-

-

Delpassand et al., 2014 [62]

-

-

-

+

+

-

-

+

+

-

-

-

-

-

Ducreux et al., 2014 [43];

Mitry et al., 2014 [44] (BETTER)

+

-

-

+

+

-

-

+

+

-

-

-

-

-

Frilling et al., 2006 [63]

-

-

-

+

-

-

-

+

+

-

-

-

-

-

Khan et al., 2011 [64]

N/A

-

+

+

+

+

+

+

+

-

-

-

+

+

Korse et al., 2009 [65]

N/A

-

+

+

+d

-

-

-

+

-

-

-

-

N/A

Kulke et al., 2008 [66]

-

-

-

+

-

+

-

+

+

-

-

-

-

+

Kvols et al., 2012 [67]

-

-

-

+

+

-

-

+

+

-

-

-

-

+

Martin-Richard et al., 2013 [68]

+

-

-

+

+

-

-

+

-

-

-

+

-

-

Ruszniewski et al., 2004 [69]

-

-

-

+

+

-

+

+

+

-

-

-

-

+

Wymenga et al., 1999 [70]

-

-

-

+

+

-

-

+

-

+

-

+

-

+

Zuetenhorst et al., 2004 [71]

-

+

-

+

+d

-

-

+

+

-

-

-

-

+

Prospective studies

Fröjd et al., 2007 [72];

Fröjd et al., 2009 [73]

N/A

N/A

-

+

+d

+

+

+

+

+

-

+

+

N/A

Haugland et al., 2013 [74]

N/A

-

-

+

-

+

+

+

+

+

+

+

-

N/A

Kalinowski et al., 2009 [75]

-

-

+

+

+

-

-

+

-

-

-

-

-

+

Kwekkeboom et al., 2003 [76]

-

-

-

+

+

+

-

+

+

-

-

-

-

+

Larsson & Janson, 2008 [77]

N/A

N/A

+

+

+

-

-

+

+

-

-

+

+

N/A

Larsson et al., 2001 [78]

N/A

-

-

+

+d

+

+

+

+

-

-

+

+

N/A

O’Toole et al., 2000 [79]

-

+

-

+

-d

+

-

+

-

-

-

+

-

+

Pasieka et al., 2004 [80]

-

-

-

-

-

+

+

+

+

-

-

-

+

+

Spolverato et al., 2015 [81]

N/A

+

+

-

+

+

+

+

+

-

-

-

-

N/A

Teunissen et al., 2004 [82]

N/A

N/A

+

+

+

+

-

+

+

+

-

+

+

N/A

Cross-sectional studies

Beaumont et al., 2012 [83];

N/A

N/A

-

+

-

+

+

N/A

+

-

+

+

+

N/A

Pearman et al., 2016 [84]

-

Gelhorn et al., 2016 [85]

-

N/A

-

+

+

+

+

N/A

+

-

N/A

-

+

+

Haugland et al., 2009 [86]

N/A

N/A

+

+

-

+

+

N/A

+

-

+

+

+

N/A

Haugland et al., 2016 [87]

N/A

+

-

+

-

+

+

N/A

+

+

-

-

-

N/A

Larsson et al., 1998 [88]

N/A

N/A

+

+

+d

+

+

N/A

+

-

N/A

-

-

N/A

Larsson, Sjöden et al., 1999 [89]

N/A

N/A

+

+

+

+

-

N/A

+

-

N/A

+

+

N/A

Larsson, von Essen et al., 1999 [90]

N/A

N/A

+

+

+d

+

+

N/A

+

-

N/A

+

+

N/A

Larsson et al., 2003 [91]

N/A

N/A

N/A

N/A

N/A

+

-

N/A

+

N/A

N/A

N/A

N/A

N/A

Larsson et al., 2007 [92]

N/A

N/A

+

+

+d

+

+

N/A

+

-

N/A

+

-

N/A

Petzel et al., 2012 [93]

N/A

+

+

+

+

+

-

N/A

+

+

N/A

+

-

N/A

Pezzilli et al., 2009 [94]

N/A

-

-

+

-

+

+

N/A

+

-

-

-

-

N/A

Pezzilli et al., 2010 [95]

N/A

-

-

+

-

+

-

N/A

-

-

-

-

-

N/A

Ruszniewski et al., 2016 [96] (SYMNET)

-

N/A

-

+

+

+

-

N/A

-

+

+

-

-

+

van der Horst-Schrivers et al., 2009 [97]

N/A

N/A

-

+

+

+

+

N/A

-

-

-

+

-

N/A

von Essen et al., 2002 [98]

N/A

N/A

-

+

+

+

+

N/A

+

-

-

-

-

N/A

  1. Note. ain the abstract of the article; bor psychometric properties reported; cconsidered adequate if scoring has been performed correctly and if all assessed HRQoL domains were reported (including relevant p-values); dadditional ad hoc questions on symptoms added; N/A not applicable due to study design, n.r. not reported