despite government claims that no noteworthy waits exist (2007), medium or long waits are normal for at least some elective surgery. hospital organizations in 2005 stated that mean hip and knee replacement wait times range from 1–12 months, but are generally 3–6 months. in styria and upper austria mean hip replacement wait times were 108 days (about 3.5 months) and mean knee replacement 172 days (5.5 months), cor cataract surgery 142 days (4 months 20 days). for upper austria they were 10.3 weeks (72 days, 2 months 11 days) 21.3 weeks (149 days, almost 5 months) and 12 weeks (84 days, or 2 months 23 days). a survey by statistics austria found an average wait time of 102 days for eye lens surgery, 78 days (2.5 months) for hip joint surgery, 97 days (3 months 5–5 days) for knee joint surgery, 39 days (1 month 8- days) for coronary surgery, and 28 days (4 weeks) for cardiac surgery