Table 1.

Extended From Previous Page

Nonexposed Athletes				Estimate	Ratio (95% Confidence Interval)
Osteoarthritis	No Osteoarthritis	Total	Incidence/ Prevalence
200	90 857	91 057	0.22%	Risk ratio	2.93 (1.32, 5.46)
320	90 737	91 057	0.35%	Risk ratio	2.52 (1.38, 4.64)
576	257 285	257 861	2.23a	Risk ratio	1.26 (1.16, 1.37)
833	264 586	265 419	3.14a	Risk ratio	1.58 (1.48, 1.70)
1336	288 908	290 244	4.60a	Risk ratio	1.67 (1.58, 1.77)
2319	325 155	327 474	7.08a	Risk ratio	2.01 (1.92, 2.09)
7486	596 057	603 543	12.40a	Risk ratio	2.17 (2.12, 2.22)
0	20 669	20 669	0b	Risk ratio	NA
2	25 461	25 463	7.85b	Risk ratio	4.76 (1.31, 39.31)
4	19 039	19 043	21.01b	Risk ratio	6.30 (2.46, 23.16)
6	65 169	65 175	9.21b	Risk ratio	3.72 (1.71, 10.16)
0	21 888	21 888	0b	Risk ratio	NA
1	24 948	24 949	4.01b	Risk ratio	18.32 (3.26, 725.89)
0	18 812	18 812	0b	Risk ratio	NA
1	65 648	65 649	1.52b	Risk ratio	37.40 (6.70, 1478.92)
6	52	58	10.40%	Odds ratio	6.10 (2.00, 20.56)
120	34	154	77.90%	Odds ratio	1.57 (0.62, 4.55)
6	52	58	10.40%	Odds ratio	6.10 (2.00, 20.56)
120	34	154	77.90%	Odds ratio	1.57 (0.62, 4.55)
10	488	498	2.00%	Odds ratio	0.63 (0.28, 1.55)
10	488	498	2.00%	Odds ratio	0.71 (0.31, 1.70)
1	497	498	0.20%	Odds ratio	NA
14	250	264	5.30%	Odds ratio	1.40 (0.59, 3.30)
45	219	264	17.00%	Odds ratio	0.58 (0.31, 1.05)
17	67	84	20.20%	Odds ratio	1.21 (0.67, 2.28)
9	69	78	11.53%	Odds ratio	1.53 (0.72, 3.64)
21	182	203	10.30%	Odds ratio	1.76 (1.04, 3.08)
49	163	212	23.10%	Odds ratio	1.03 (0.69, 1.54)
120	2561	2681	4.50%	Odds ratio	0.46 (0.31, 0.67)
2	9	11	18.20%	Odds ratio	1.42 (0.28, 13.98)