Table 4.

Analysis of Select Modified PEDro Quality Criteria on Pain Severity (k = 38)

Criterion Present	k	Effect Size (g)	95% CI	P
4. The groups were similar at baseline regarding the most important prognostic indicators
No	11	0.50	0.23 to 0.78	.20
Yes	27	0.30	0.17 to 0.43
6. Measures of at least one key outcome were obtained from more than 85% of the subjects initially allocated to groups
No	16	0.35	0.22 to 0.48	.66
Yes	22	0.30	0.12 to 0.48
7. All subjects for whom outcome measures were available received the treatment or control condition as allocated, or where this was not the case, data for at least one key outcome were analyzed by intention to treat
No	11	0.37	0.04 to 0.70	.89
Yes	27	0.34	0.23 to 0.46
9. The study provides both point measures and measures of variability for at least one key outcome
No	10	0.44	0.14 to 0.74	.46
Yes	28	0.32	0.22 to 0.44
10. The study had an adequate treatment fidelity protocol, including manualized treatment
No	25	0.32	0.17 to 0.47	.52
Yes	13	0.40	0.23 to 0.57
11. The study had an adequate treatment fidelity protocol, including monitoring of treatment implementation
No	31	0.29	0.16 to 0.42	.04
Yes	7	0.52	0.34 to 0.71
12. Loss to follow-up information is provided
No	11	0.36	0.05 to 0.66	.92
Yes	27	0.34	0.22 to 0.46

Abbreviation: PEDro, Physiotherapy Evidence Database.