Table 2 Associations of BMI with pain/opioid use after THA

Prentice [9]

2019

RC

12,560

1 yr

 < 30 (60.8); 30–35 (24.5);

 > 35 (14.6)

Opioid usage

Greater postoperative opioid use after initial 90-day recovery period

Li [13]

2017

RC

2040

6 mo

25–29.9 (37); 30–34.9 (22);

35–39.9 (10); ≥ 40 (4)

PCS, HOOS

Worse pain at baseline and 6 months, more improvement postoperatively

Rajamaki [21]

2015

CC

54

1–2 yr

 < 30 (53); 30–35 (31); > 35 (16)

Questionnaire

Higher proportion of patients with pain

Judge [24]

2014

RS

1431

1 yr

 < 25 (33); 25–30 (42); 30–35 (18);

35–40 (5.5); > 40 (1.7)

OHS

Worse pain, low clinical difference

Motaghedi [26]

2014

PC

60

1 d

 < 25 (33); 25–30 (33); > 30 (33)

VRS

No association

Judge [2]

2013

PC

1431

1–5 yr

 < 25 (33); 25–30 (42); 30–35 (18);

35–40 (5.5); > 40 (1.7)

OHS

Worse pain

Jones [35]

2012

PC

231

3 yr

 > 35 (14)

WOMAC

Worse pain at 6 months; no association at 3 years

Liu [36]

2012

CC

428

1 d

30^a

VAS for pain

Worse pain, low clinical significance

Smith [37]

2012

PC

1318

3 yr

NA

HHS

Worse pain

Singh [46]

2010

CC

5707, 3289

2 yr, 5 yr

 < 25 (24); 25–29.9 (39); 30–34.9 (24);

35–39.9 (8); ≥ 40 (1)

Questionnaire

Worse pain

Busato [7]

2008

RC

20,553

3, 6, 9, 12 yr

 < 25 (38); 25–30 (44); > 30 (18)

Questionnaire

No association

Kessler [50]

2007

PC

67

10 d, 3 mo

 < 25 (16); 25–30 (54); > 30 (30)

WOMAC

No association

Moran [51]

2005

PC

800

6, 18 mo

28^a (range, 14–49)

HHS

Worse pain