Here are eight things to know:
1. Orthopedics sales dropped 0.7 percent in the first quarter, hitting $2.3 billion. U.S. sales were $1.2 billion, a nearly 1 percent decline, while international sales were only down 0.3 percent to $948 million.
2. The company's hip sales hit $352 million in the first quarter, up 2.9 percent over the same period last year. The U.S. sales were up 3 percent to $209 million; international hip sales were $143 million.
3. Knee sales in the U.S. were up 0.8 percent to $246 million, and there was a 4.8 percent growth in international knee sales, which hit $152 million. Overall, knee sales were up 2.3 percent to $398 million.
4. Spine sales dropped 3.6 percent to $933 million in the first quarter, driven by a 5.5 percent decline in U.S. spine sales. International spine sales dropped 1 percent.
5. Trauma sales were flat at $642 million in the first quarter. The company reported 2.6 percent growth in U.S. sales, which was offset by a 3.8 percent decrease in international trauma sales.