Table 2 Patient characteristics according to CRQC grade

Age (years)

84.6 (77.5–89.7)

85 (71.8–89.2)

84 (77.8–89.7)

84.6 (77.9–89.7)

0.745^a

Female, n (%)

259 (66.6)

18 (69.2)

90 (63.8)

151 (68.0)

0.681^b

31A2, n (%)

310 (79.7)

24 (92.3)

116 (82.3)

170 (76.6)

0.107^b

Right-side fracture, n (%)

246 (63.2)

16 (61.5)

79 (56.0)

151 (68.0)

0.068^b

Comorbidities, n (%)

 < 0.001^b

 None

85 (21.9)

2 (7.7)

22 (15.6)

61 (27.5)

 1

139 (35.7)

12 (46.2)

40 (28.4)

87 (39.2)

 2 or more

165 (42.4)

12 (46.2)

79 (56.0)

74 (33.3)

ASA score, n (%)

0.127^b

 1 + 2

43 (11.1)

6 (23.1)

13 (9.2)

24 (10.8)

 3 + 4

346 (89.0)

20 (76.9)

128 (90.8)

198 (89.2)

Type of anesthesia, n (%)

0.017^b

 General

145 (37.3)

10 (38.5)

60 (42.6)

75 (33.8)

 Combined spinal and epidural + spinal

232 (59.6)

14 (53.9)

81 (57.5)

137 (61.7)

 Nerve block

12 (3.1)

2 (7.7)

0 (0.0)

10 (4.5)

Preoperative waiting time (days)

3 (2–5)

4 (2–6.25)

3 (2–6)

3 (2–4)

0.097^a

Hemoglobin (g/l)

107 (93–119)

92.5 (77–112.8)

104 (93.5–116.5)

108.5 (94.8–120)

0.017^a

Blood transfusion, n (%)

219 (56.3)

16 (61.5)

93 (66.0)

110 (49.6)

0.008^b

1-year death, n (%)

60 (15.4)

14 (53.9)

32 (22.7)

14 (6.3)

 < 0.001^b

Total death, n (%)

96 (24.7)

14 (53.9)

45 (31.9)

37 (16.7)

 < 0.001^b