Assessment of the measurement properties of the Peabody Developmental Motor Scales-2 by applying the COSMIN methodology

Zhu, Yuanye; Hu, Jiahui; Ye, Weibing; Korivi, Mallikarjuna; Qian, Yongdong

doi:10.1186/s13052-024-01645-6

Table 2 Summary of the findings

From: Assessment of the measurement properties of the Peabody Developmental Motor Scales-2 by applying the COSMIN methodology

Measurement property	Summary or pooled results	Overall rating	Quality of evidence
Content validity	Content validity: [59]	Qualitative summary: Sufficient (+)	Moderate: study bias
	Relevance	Sufficient (+)
	Comprehensiveness	Sufficient (+)
Structural validity	Structural validity: [14, 21, 45, 59]	Qualitative summary: Sufficient (+)	High: all studies are very good
	TLI: 0.98-1.00 [14, 21, 45]	Sufficient (+)
	CFI: 1.0 [59]	Sufficient (+)
	Total sample size: 2136
Internal consistency	Internal consistency: [21, 45, 50, 54]	Qualitative summary: Sufficient (+)	High: all studies are very good
	Reflex: α 0.999	Sufficient (+)
	Stationary: α 0.86–0.999	Sufficient (+)
	Locomotion: α 0.89–0.999	Sufficient (+)
	Manipulation: α 0.87–0.991	Sufficient (+)
	Grasping: α 0.76–0.999	Sufficient (+)
	Visual–Motor: α 0.89–0.999	Sufficient (+)
	Total sample size: 1147
Reliability	Reliability: [14, 20, 22, 45, 48, 50, 53,54,55, 59]	Qualitative summary: Sufficient (+)	High: all studies are very good
	Test–retest reliability: [14, 22, 45, 48, 53,54,55, 59]	Qualitative summary: Sufficient (+)	High: all studies are very good
	GMQ: ICC 0.75–0.99 [22, 45, 53, 54]	Sufficient (+)
	FMQ: ICC 0.71–0.99 [22, 45, 53, 54]	Sufficient (+)
	GMQ: r 0.84–0.99 [14, 55, 59]	Sufficient (+)
	FMQ: r 0.73–0.99 [14, 55, 59]	Sufficient (+)
	FMQ: ρ 0.84–0.98 [48]	Sufficient (+)
	Total sample size: 1360
	Inter-rater reliability: [14, 20, 48, 50, 59]	Qualitative summary: Sufficient (+)	High: all studies are very good
	Reflex: ICC 0.758–0.920 [50, 59]	Sufficient (+)
	Stationary: ICC 0.985–0.999 [20, 50, 59]	Sufficient (+)
	Locomotion: ICC 0.990-1.000 [20, 50, 59]	Sufficient (+)
	Manipulation: ICC 0.972–0.999 [20, 50, 59]	Sufficient (+)
	Grasping: ICC 0.941–0.991 [20, 50, 59]	Sufficient (+)
	Visual-motor: ICC 0.988-1.000 [20, 50, 59]	Sufficient (+)
	GMQ: r 0.97 [14]	Sufficient (+)
	FMQ: r 0.98 [14]	Sufficient (+)
	TMQ: r 0.96 [14]	Sufficient (+)
	FMQ: ρ 0.94–0.99 [48]	Sufficient (+)
	Total sample size: 367
	Intra-rater reliability: [59]	Qualitative summary: Sufficient (+)	Moderate: imprecision due to small sample size
	Reflex: ICC 0.96	Sufficient (+)
	Stationary: ICC 0.95–0.97	Sufficient (+)
	Locomotion: ICC 0.98–0.99	Sufficient (+)
	Manipulation: ICC 0.98	Sufficient (+)
	Grasping: ICC 0.92–0.94	Sufficient (+)
	Visual-motor: ICC 0.92–0.98	Sufficient (+)
	Total sample size: 80
Measurement error	Measurement error: [54]	Qualitative summary: Sufficient (+)	High: one study is very good
	SDC (MDC): 7.76 < MIC (MCID): 8.39	Sufficient (+)
	Total sample size: 191
Hypothesis testing for construct validity	Construct validity: [17,18,19,20, 22, 47,48,49, 51, 54, 56, 57]	Qualitative summary: Sufficient (+)	Moderate: inconsistent results
	PDMS-GM-2 and EIDP Concurrent validity: [17]	Qualitative summary: Sufficient (+)	Low: severe imprecision due to small sample size
	GMQ: r 0.91	Sufficient (+)
	Total sample size: 30
	PDMS-GM-2 and M-FUN Concurrent validity: [18]	Qualitative summary: Sufficient (+)	Low: severe imprecision due to small sample size
	GMQ: r 0.851	Sufficient (+)
	Total sample size: 22
	PDMS-2 and Bayley-III Concurrent validity: [49, 51, 56]	Qualitative summary: Sufficient (+)	High: all studies are very good
	GMQ: r 0.59–0.90 [49, 56]	Sufficient (+)
	FMQ: r 0.50–0.94 [49, 51, 56]	Sufficient (+)
	TMQ: r 0.69–0.95 [49, 56]	Sufficient (+)
	Total sample size: 455
	PDMS-2 and BSID-II Convergent validity: [22] Concurrent validity: [19, 57]	Qualitative summary: Sufficient (+)	High: most studies are very good
	NC GMQ: r 0.30 [19]	Insufficient (-)	Low: imprecision due to small sample size
	NC FMQ: r 0.22 [19]	Insufficient (-)
	NC sample size: 15
	EC GMQ: r 0.75–0.93 [22, 57]	Sufficient (+)	High: two studies are very good
	EC FMQ: r 0.67–0.91 [22, 57]	Sufficient (+)
	EC sample size: 198
	Total sample size: 213
	PDMS-2 and BOT-2 Concurrent validity: [20, 54]	Qualitative summary: Sufficient (+)	High: all studies are very good
	All sub-scales: r 0.651–0.951 [20]	Sufficient (+)
	All sub-scales: ρ 0.84–0.88 [54]	Sufficient (+)
	Total sample size: 687
	PDMS-2 and M-ABC Convergent validity: [47, 48]	Qualitative summary: Inconsistent (±)	Very low: inconsistent results and small sample size
	GMQ: r 0.71 [47]	Sufficient (+)
	FMQ: r 0.48–0.69 [47, 48]	Inconsistent (±)
	Total sample size: 67
Responsiveness	Before and after intervention: [53, 54]	Qualitative summary: Sufficient (+)	Low: severe bias
	ES = 0.47–0.74; SRM = 0.35–0.70 [54]	Sufficient (+)
	Sample size: 141
	GRI-R range: 1.7–2.3 [53]	Sufficient (+)
	Sample size: 32

Note: ICC = Intraclass Correlation Coefficient, GMQ = Gross Motor Quotient, FMQ = Fine Motor Quotient, TMQ = Total Motor Quotient, MIC (MCID) = Minimal Important Change, SDC (MDC) = Smallest Detectable Change, PDMS-GM-2 = PDMS-2 Gross Motor scale, EIDP = Early Intervention Developmental Profile, M-FUN = Miller Function and Participation Scales, Bayley-III = the Bayley Scales of Infant and Toddler Development, 3rd edition, BSID-II = the Bayley Scales of Infant Development II Motor Scale, BOT-2 = Bruininks-Oseretsky Test of Motor Proficiency-Second Edition, M-ABC = Movement Assessment Battery for Children, ES = Effect Size, SRM = Standardised Response Mean, GRI-R = Guyatt’s responsiveness Ratio for Responsiveness, ρ = Spearman’s rho correlation coefficient, r = Pearson’s correlation coefficients, TLI = Tucker-Lewis index, CFI = Comparative Fit Index,α = Cronbach’s alpha value, All sub-scales = Reflex, Stationary, Locomotion, Manipulation, Grasping, Visual-motor sub-scales NC = Normal Children, EC = Exceptional Children

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ISSN: 1824-7288

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Italian Journal of Pediatrics

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