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Table 3 Demographic and clinical variables stratified by sex

From: Younger age is associated with greater pain expression among patients with knee or hip osteoarthritis scheduled for a joint arthroplasty

 

Women (n = 72)

Men (n = 36)

p-value

All (n = 108)

Joint, no (%)

 Knee OA

38 (65)

20 (35)

n.s.

58 (53.7)

 Hip OA

34 (68)

16 (32)

 

50 (46.3)

Age, no (%)

 ≥ 65 years

40 (55)

24 (66.6)

n.s.

64 (59.3)

 <  65 years

32 (45)

12 (33.3)

 

44 (40.7)

Age, mean (SD)

66.4 (8.9)

66 (7.8)

n.s.

66.3 (8.5)

BMI, mean (SD)

28.4 (5.1)

27.9 (3.2)

n.s.

28.3 (4.6)

Analgesicsa, no (%)

 Daily analgesics

32 (45.7)

16 (47.1)

0.03

48 (46.2)

 Analgesics when needed

32 (45.7)

9 (26.5)

 

41 (39.4)

 No analgesics

6 (8.6)

9 (26.5)

 

15 (14.4)

Kellgren & Lawrence modified classification of OA, no (%)

 3a

3 (4.2)

4 (11.1)

n.s.

7 (6.5)

 3b

22 (31)

6 (16.7)

 

28 (25.9)

 4a

20 (28)

8 (22.2)

 

28 (25.9)

 4b

27 (37.5)

18 (50)

 

45 (41.7)

POM VASb, mean (SD)

42 (24)

31 (19)

0.011

38 (22.6)

POM-Words

 Number, median (range)

Sensory words

3 (1–7)

2 (0–5)

n.s.

2 (0–7)

Affective words

2 (1–9)

2 (1–4)

n.s.

2 (1–9)

 Intensity score, median (range)

Sensory words

7 (1–24)

6 (0–14)

n.s.

7 (0–24)

Affective words

6.5 (2–39)

6 (2–14)

n.s.

6 (2–39)

KOOS/HOOS, mean (SD)

 Pain

42 (14)

48 (13)

0.06

44 (14)

 Symptoms

41 (17)

47 (20)

n.s.

43 (18)

 ADL

50 (17)

54 (14)

n.s.

51 (16)

 Sports and recreation

19 (19)

22 (16)

n.s.

20 (18)

 QoL

24 (14)

25 (16)

n.s.

25 (15)

EQ-5D VAS

63 (21)

65 (20)

n.s.

63 (21)

  1. a Data missing for 4 patients b Data missing for 1 patient
  2. OA Osteoarthritis, POM Pain-o-Meter, VAS Visual analogue scale, KOOS Knee Injury and Osteoarthritis Outcome Score, HOOS Hip Disability and Osteoarthritis Outcome Score, EQ-5D VAS EuroQol 5 Dimensions Visual analogue scale, N.s non-significant