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Table 4 Prevalence and summary of the identified patient subgroups

From: Identifying subgroups of patients using latent class analysis: should we use a single-stage or a two-stage approach? A methodological study using a cohort of patients with low back pain

Single-stage LCA

Two-stage LCA

Prevalence

Description

Prevalence

Description

21%

Recent severe LBP, activity limitations (SS 1, dark blue)

12%

Recent severe LBP, activity limitations, sleep issues (TS 4)

15%

Severely affected: very recent onset severe LBP, social participation and activity limitations (SS 3, green)

24%

Severely affected: very recent onset severe LBP, social participation and activity limitations (TS 1)

14%

Pain- and work-related concerns, high physical workload (SS 5, turquoise)

14%

Work-related severe LBP (TS3)

12%

Severely affected: recent LBP with several consequences (SS 6, orange)

8%

Severely affected: LBP with several consequences (TS 5)

8%

LBP with nerve root involvement (SS 7, light blue)

5%

LBP with nerve root involvement (TS 9)

14%

Persistent LBP, psychological issues, activity limitations and comorbidity (SS 4, purple)

  
  

5%

Mildly affected: persistent LBP with sacroiliac joint pain (TS 8)

17%

Mildly affected: mild intermittent LBP (SS 2, red)

17%

Mildly affected: mild intermittent LBP, moderate activity limitations, no participation limitations (low degree of physical workload) (TS 2)

7%

Mildly affected: mild intermittent LBP, sleeps well, moderate activity limitations and sacroiliac joint pain, more females (TS 6)

8%

Mildly affected: mild intermittent LBP with work-issues, no activity limitations, males (TS 7)

  1. LCA Latent Class Analysis, LBP low back pain, SS single-stage patient subgroup, TS two-stage patient subgroup