Evaluating costal cartilage for sex and age estimation from PA chest radiographs of North Indian population: a retrospective study

Egyptian Journal of Forensic Sciences

Table 3 Statistical analysis of calcification stages

Calcification stage	Stage 0	Stage 1	Stage 2	Stage 3
Average	13.42	20.99	41.46	69.39
Count	31	106	129	184
Minimum	5	15	24	45
Maximum	31	42	72	90
Std dev	4.08	6.17	11.49	10.80
Median	14	19	40	73