Research Article

Tapentadol Prolonged Release for Severe Chronic Osteoarthritis Pain in the Elderly—A Subgroup Analysis of Routine Clinical Practice Data

Table 1

Baseline characteristics of the trial populations.

Patients aged >65 yearsPatients aged ≤65 years
nn

Gender752282
 Male206 (27.4%)130 (46.1%)
 Female546 (72.6%)152 (53.9%)
Age (years)75277.7 ± 6.528256.2 ± 6.7
Body mass index (kg/m2)74429.5 ± 5.328030.5 ± 6.7
Type of osteoarthritis752282
 Kneea577 (76.7%)204 (72.3%)
 Hipb476 (63.3%)149 (52.8%)
Knee and hip301 (40%)71 (25.2%)
Duration of pain751282
 <1 month8 (1.1%)0
 1–3 months33 (4.4%)16 (5.7%)
 >3–6 months52 (6.9%)31 (11%)
 >0.5–1 year95 (12.7%)32 (11.4%)
 >1–2 years112 (14.9%)46 (16.3%)
 >2 years451 (60.1%)157 (55.7%)
Type of pain728267
 Pure nociceptive pain54 (7.4%)15 (5.6%)
 Pure neuropathic pain13 (1.8%)3 (1.1%)
 Mixed pain661 (90.8%)249 (93.3%)

Data are mean ± SD or number of patients (%); aall patients with knee osteoarthritis and knee/hip osteoarthritis; ball patients with hip osteoarthritis and hip/knee osteoarthritis.