Table 1.

Characterization and staging of donor samples

Donor	Gender	Age	Macroscopic appearance	Hist. gradinga	Weight of tissue sampleb	Cell yieldc	Cell viability (%)d
1	Male	77	Surface discontinuity, superficial fibrillation	2	3.1 g	8.8ċ106	96.3
2	Male	80	Smooth, intact surface	1	1.7 g	5.8ċ106	94.5
3	Female	79	Smooth, intact surface	1	2.4 g	7.3ċ106	91.8
4	Male	64	Uneven, intact surface	1.5	4.0 g	10.5ċ106	91.4
5	Male	72	Smooth, intact surface	1	3.3 g	9.2ċ106	93.3
6	Male	79	Smooth, intact surface	1	2.8 g	7.8ċ106	97.1

^aAccording to Pritzker et al.¹⁸

^bUsed for cell isolation.

^cTotal number of cells isolated from healthy (unaffected) parts of cartilage.

^dCell viability measured directly after cell isolation.