Translation, reliability and validity of the Turkish versions of Norwich Patellar Instability score and The Banff Patellar Instability Instrument 2.0

Table 1 Mean values and comparisons at first and second completions of NPI and BPII

	First completion		Second completion		n	t	p
	Mean	SD	Mean	SD	n	t	p
Banff	62.725	18.394	64.706	20.129	51	− 1.241	0.220
Norwich	40.175	24.305	38.380	24.912	51	0.929	0.357

ISSN: 1749-799X