. 2017 Mar 17;12(3):e0173083. doi: 10.1371/journal.pone.0173083

Table 2. Number (%) of cases in the primary outcomes among 30,799 patients undergoing primary hip or knee arthroplasty, presented according to alcohol consumption levels and in total.

	Abstention^a	Low-to-moderate^a	High^a	Excessive^a	Total	P value^b
Mortality, 90 days	170 (1.3)	69 (0.5)	16 (0.8)	30 (1.2)	285 (0.9)	<0.001
Mortality, 1 year	407 (3.0)	191 (1.5)	36 (1.8)	60 (2.4)	694 (2.3)	<0.001

^a Abstention = 0 g/week, low-to-moderate consumption = >0–168 g/week, high consumption = >168–252 g/week, excessive consumption = >252 g/week

^b Pearson’s chi-squared test