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Table 1 Characteristics of patients

From: What questions do patients undergoing lower extremity joint replacement surgery have?

  Stanford THA (N = 11 patients) Stanford TKA (N = 10 patients) Southern California THA (N = 18 patients) Southern California TKA (N = 9 patients)
Mean Age (SD) 53 (20) 60 (15) 70 (14) 68 (10)
# Females 7 (64%) 8 (80%) 11 (61%) 6 (67%)
Ethnicity:     
# Caucasian 11 (100%) 4 (40%) 10 (56%) 5 (56%)
# Hispanic 0 2 (20%) 3 (17%) 1 (11%)
# Asian/Pacific Islander 0 3 (30%) 2 (11%) 1 (11%)
# Other 0 1 (10%) 3 (17%) 2 (22%)
Schooling:     
   ≤ 12 years 2 (18%) 3 (30%) 6 (33%) 4 (44%)
   14 years 2 (18%) 4 (40%) 7 (39%) 2 (22%)
   16 years 4 (36%) 1 (10%) 3 (17%) 2 (22%)
   > 16 years 3 (27%) 2 (20%) 2 (11%) 1 (11%)
Previous surgery of same type 4 (36%) 1 (10%) 3 (17%) 0 (0%)