Table 1 Crosstabulation of stone type and age.
Stone type | Age | ||||||||
|---|---|---|---|---|---|---|---|---|---|
1–10 | 11–20 | 21–30 | 31–40 | 41–50 | 51–60 | 61–70 | 71–80 | 81–90 | |
CaOx | 1a | 10a,b | 66b | 114b,c,e,f | 230b,d,e,f | 264a | 101a | 44a,e | 4a,f |
CaP | 0 | 0 | 0 | 7a | 25a,b | 39a,b | 21a,b | 7a,b | 3b |
ST | 0 | 1a,b | 2a,b | 8a,b | 10a | 41b | 25b,c | 4a,b | 0 |
UA | 0 | 0 | 0 | 1a,c | 4a | 36b | 12b,c | 1a,b | 0 |
Others | 3a | 0 | 0 | 1b | 2b | 5b | 0 | 0 | 0 |