TABLE 1

Comparison of the Demographics of the Study Population With Children Not Receiving Bone Biopsy

VariableComplete Study Population, n = 112Population Without Biopsy, n = 45Population With Biopsy, n = 67P
Boys71 (63)31 (69)40 (60).43
Age
 Median, y77 (16)7 (10).55
 2–12 mo5 (4)1 (2)4 (6).40
 1–4 y31 (28)15 (33)16 (24)
 5–12 y64 (57)21 (47)43 (64)
 13–18 y12 (11)8 (18)4 (6)
Medical comorbidity
 None107 (96)45 (100)62 (93).79
 Othera5 (4)05 (7)
Blood culture
 Positive40 (36)14 (31)26 (39).43
 Negative72 (64)31 (69)41 (61)
Site
 Tibia/fibula31 (28)4 (9)27 (40).44
 Femur19 (17)7 (16)12 (18)
 Foot17 (15)6 (13)11 (16)
 Pelvis15 (13)12 (27)3 (4)
 Humerus9 (8)6 (13)3 (4)
 Spine8 (7)3 (7)5 (7)
 Forearm4 (4)1 (2)3 (4)
 Patella4 (4)3 (7)1 (1)
 Hand2 (2)2 (4)0
 Otherb3 (3)1 (2)2 (3)
  • Numbers may not sum to 100% due to rounding. Values are n (%) unless otherwise indicated.

  • a One child each had intestinal atresia, Menke disease, solitary kidney, spina bifida, and 1 new-diagnosis chronic granulomatous disease.

  • b One child who did not receive a biopsy had scapular AHO; 2 children with clavicular and rib osteomyelitis received biopsies.