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. 2018 Jan 23;8(1):e019551. doi: 10.1136/bmjopen-2017-019551

Table 1.

Demographics, physical status assessment and urgency of interventions for the 152 827 patients included in the study

≥90 % <90% P value
n (%) n (%)
30-day follow-up of cholecystectomies
Gender
 Woman 55 908 (67.3) 8311 (65.1) <0.0001
 Man 27 159 (32.7) 4462 (34.9)
Age (years)
 ≥60 26 442 (31.9) 4462 (35.0) <0.0001
 <60 56 461 (68.1) 8290 (65.0)
ASA
 ASA 1–2 76 478 (92.1) 11 124 (87.1) <0.0001
 ASA ≥3 6589 (7.9) 1649 (12.9)
Acute/
Scheduled
 Acute 24 237 (29.2) 4433 (34.7) <0.0001
 Scheduled 58 830 (70.8) 8340 (65.3)
30-day follow-up of ERCP
Gender
 woman 25 673 (53.0) 4460 (52.0) 0.0906
 Man 22 743 (47.0) 4111 (48.0)
Age (years)
 ≥60 35 532 (73.6) 6724 (78.5) <0.0001
 <60 12 767 (26.4) 1843 (21.5)
ASA
 ASA 1–2 33 457 (69.1) 4748 (55.4) <0.0001
 ASA≥3 14 959 (30.9) 3823 (44.6)
Acute/
Scheduled
 Acute 30 093 (62.2) 5055 (59.0) <0.0001
 Scheduled 18 323 (37.8) 3516 (41.0)

ASA, American Society of Anesthesiologists; ERCP, endoscopic retrograde cholangiopancreatography.